diff --git a/Cargo.lock b/Cargo.lock
index 831e1840f5f..b2d394f06e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -341,7 +341,7 @@ dependencies = [
  "humantime",
  "ignore",
  "im-rc",
- "indexmap 2.3.0",
+ "indexmap",
  "itertools 0.14.0",
  "jobserver",
  "lazycell",
@@ -1482,7 +1482,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ef65b256631078ef733bc5530c4e6b1c2e7d5c2830b75d4e9034ab3997d18fe"
 dependencies = [
  "gix-hash",
- "hashbrown 0.14.5",
+ "hashbrown",
  "parking_lot",
 ]
 
@@ -1518,7 +1518,7 @@ dependencies = [
  "gix-traverse",
  "gix-utils",
  "gix-validate",
- "hashbrown 0.14.5",
+ "hashbrown",
  "itoa 1.0.11",
  "libc",
  "memmap2",
@@ -1990,12 +1990,6 @@ dependencies = [
  "walkdir",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -2012,7 +2006,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "692eaaf7f7607518dd3cef090f1474b61edc5301d8012f09579920df68b725ee"
 dependencies = [
- "hashbrown 0.14.5",
+ "hashbrown",
 ]
 
 [[package]]
@@ -2125,17 +2119,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "indexmap"
-version = "1.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
-dependencies = [
- "autocfg",
- "hashbrown 0.12.3",
- "serde",
-]
-
 [[package]]
 name = "indexmap"
 version = "2.3.0"
@@ -2143,7 +2126,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de3fc2e30ba82dd1b3911c8de1ffc143c74a914a14e99514d7637e3099df5ea0"
 dependencies = [
  "equivalent",
- "hashbrown 0.14.5",
+ "hashbrown",
 ]
 
 [[package]]
@@ -3001,6 +2984,26 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf0a6f84d5f1d581da8b41b47ec8600871962f2a528115b542b362d4b744931"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bcc303e793d3734489387d205e9b186fac9c6cfacedd98cbb2e8a5943595f3e6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "regex"
 version = "1.10.5"
@@ -3165,12 +3168,12 @@ dependencies = [
 
 [[package]]
 name = "schemars"
-version = "0.8.21"
+version = "1.0.0-alpha.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09c024468a378b7e36765cd36702b7a90cc3cba11654f6685c8f233408e89e92"
+checksum = "88ef2a6523400a2228db974a8ddc9e1d3deaa04f51bddd7832ef8d7e531bafcc"
 dependencies = [
  "dyn-clone",
- "indexmap 1.9.3",
+ "ref-cast",
  "schemars_derive",
  "semver",
  "serde",
@@ -3179,9 +3182,9 @@ dependencies = [
 
 [[package]]
 name = "schemars_derive"
-version = "0.8.21"
+version = "1.0.0-alpha.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1eee588578aff73f856ab961cd2f79e36bc45d7ded33a7562adba4667aecc0e"
+checksum = "c6d4e1945a3c9e58edaa708449b026519f7f4197185e1b5dbc689615c1ad724d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3311,10 +3314,11 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.121"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
+checksum = "2b0d7ba2887406110130a978386c4e1befb98c674b4fba677954e4db976630d9"
 dependencies = [
+ "indexmap",
  "itoa 1.0.11",
  "memchr",
  "ryu",
@@ -3698,7 +3702,7 @@ version = "0.22.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "583c44c02ad26b0c3f3066fe629275e50627026c51ac2e595cca4c230ce1ce1d"
 dependencies = [
- "indexmap 2.3.0",
+ "indexmap",
  "serde",
  "serde_spanned",
  "toml_datetime",
diff --git a/Cargo.toml b/Cargo.toml
index c0d960b560d..191d5507707 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -85,7 +85,7 @@ rustc-hash = "2.0.0"
 rustc-stable-hash = "0.1.1"
 rustfix = { version = "0.9.0", path = "crates/rustfix" }
 same-file = "1.0.6"
-schemars = "0.8.21"
+schemars = "1.0.0-alpha.17"
 security-framework = "3.0.0"
 semver = { version = "1.0.23", features = ["serde"] }
 serde = "1.0.204"
diff --git a/crates/cargo-util-schemas/Cargo.toml b/crates/cargo-util-schemas/Cargo.toml
index 8a3152ff190..eeb1af4556c 100644
--- a/crates/cargo-util-schemas/Cargo.toml
+++ b/crates/cargo-util-schemas/Cargo.toml
@@ -9,7 +9,7 @@ repository.workspace = true
 description = "Deserialization schemas for Cargo"
 
 [dependencies]
-schemars = { workspace = true, features = ["preserve_order","semver"], optional = true }
+schemars = { workspace = true, features = ["preserve_order", "semver1"], optional = true }
 semver.workspace = true
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true, optional = true }
diff --git a/crates/cargo-util-schemas/manifest.schema.json b/crates/cargo-util-schemas/manifest.schema.json
index 8fe710d5d69..5bc43e49d37 100644
--- a/crates/cargo-util-schemas/manifest.schema.json
+++ b/crates/cargo-util-schemas/manifest.schema.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "TomlManifest",
   "description": "This type is used to deserialize `Cargo.toml` files.",
   "type": "object",
@@ -16,7 +16,7 @@
     "package": {
       "anyOf": [
         {
-          "$ref": "#/definitions/TomlPackage"
+          "$ref": "#/$defs/TomlPackage"
         },
         {
           "type": "null"
@@ -26,7 +26,7 @@
     "project": {
       "anyOf": [
         {
-          "$ref": "#/definitions/TomlPackage"
+          "$ref": "#/$defs/TomlPackage"
         },
         {
           "type": "null"
@@ -60,7 +60,7 @@
     "lib": {
       "anyOf": [
         {
-          "$ref": "#/definitions/TomlTarget"
+          "$ref": "#/$defs/TomlTarget"
         },
         {
           "type": "null"
@@ -73,7 +73,7 @@
         "null"
       ],
       "items": {
-        "$ref": "#/definitions/TomlTarget"
+        "$ref": "#/$defs/TomlTarget"
       }
     },
     "example": {
@@ -82,7 +82,7 @@
         "null"
       ],
       "items": {
-        "$ref": "#/definitions/TomlTarget"
+        "$ref": "#/$defs/TomlTarget"
       }
     },
     "test": {
@@ -91,7 +91,7 @@
         "null"
       ],
       "items": {
-        "$ref": "#/definitions/TomlTarget"
+        "$ref": "#/$defs/TomlTarget"
       }
     },
     "bench": {
@@ -100,7 +100,7 @@
         "null"
       ],
       "items": {
-        "$ref": "#/definitions/TomlTarget"
+        "$ref": "#/$defs/TomlTarget"
       }
     },
     "dependencies": {
@@ -109,7 +109,7 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/InheritableDependency"
+        "$ref": "#/$defs/InheritableDependency"
       }
     },
     "dev-dependencies": {
@@ -118,7 +118,7 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/InheritableDependency"
+        "$ref": "#/$defs/InheritableDependency"
       }
     },
     "dev_dependencies": {
@@ -127,7 +127,7 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/InheritableDependency"
+        "$ref": "#/$defs/InheritableDependency"
       }
     },
     "build-dependencies": {
@@ -136,7 +136,7 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/InheritableDependency"
+        "$ref": "#/$defs/InheritableDependency"
       }
     },
     "build_dependencies": {
@@ -145,7 +145,7 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/InheritableDependency"
+        "$ref": "#/$defs/InheritableDependency"
       }
     },
     "target": {
@@ -154,13 +154,13 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/TomlPlatform"
+        "$ref": "#/$defs/TomlPlatform"
       }
     },
     "lints": {
       "anyOf": [
         {
-          "$ref": "#/definitions/InheritableLints"
+          "$ref": "#/$defs/InheritableLints"
         },
         {
           "type": "null"
@@ -170,7 +170,7 @@
     "workspace": {
       "anyOf": [
         {
-          "$ref": "#/definitions/TomlWorkspace"
+          "$ref": "#/$defs/TomlWorkspace"
         },
         {
           "type": "null"
@@ -180,7 +180,7 @@
     "profile": {
       "anyOf": [
         {
-          "$ref": "#/definitions/TomlProfiles"
+          "$ref": "#/$defs/TomlProfiles"
         },
         {
           "type": "null"
@@ -195,7 +195,7 @@
       "additionalProperties": {
         "type": "object",
         "additionalProperties": {
-          "$ref": "#/definitions/TomlDependency_for_String"
+          "$ref": "#/$defs/TomlDependency_for_string"
         }
       }
     },
@@ -205,22 +205,29 @@
         "null"
       ],
       "additionalProperties": {
-        "$ref": "#/definitions/TomlDependency_for_String"
+        "$ref": "#/$defs/TomlDependency_for_string"
       }
     }
   },
-  "definitions": {
+  "$defs": {
     "TomlPackage": {
-      "description": "Represents the `package`/`project` sections of a `Cargo.toml`.\n\nNote that the order of the fields matters, since this is the order they are serialized to a TOML file. For example, you cannot have values after the field `metadata`, since it is a table and values cannot appear after tables.",
+      "description": "Represents the `package`/`project` sections of a `Cargo.toml`.\n\n Note that the order of the fields matters, since this is the order they\n are serialized to a TOML file. For example, you cannot have values after\n the field `metadata`, since it is a table and values cannot appear after\n tables.",
       "type": "object",
-      "required": [
-        "name"
-      ],
       "properties": {
+        "description": {
+          "anyOf": [
+            {
+              "$ref": "#/$defs/InheritableField_for_string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "edition": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_String"
+              "$ref": "#/$defs/InheritableField_for_string"
             },
             {
               "type": "null"
@@ -239,7 +246,7 @@
         "version": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_Version"
+              "$ref": "#/$defs/InheritableField_for_SemVer"
             },
             {
               "type": "null"
@@ -249,7 +256,7 @@
         "authors": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_Array_of_String"
+              "$ref": "#/$defs/InheritableField_for_Array_of_string"
             },
             {
               "type": "null"
@@ -259,7 +266,7 @@
         "build": {
           "anyOf": [
             {
-              "$ref": "#/definitions/StringOrBool"
+              "$ref": "#/$defs/StringOrBool"
             },
             {
               "type": "null"
@@ -269,7 +276,7 @@
         "metabuild": {
           "anyOf": [
             {
-              "$ref": "#/definitions/StringOrVec"
+              "$ref": "#/$defs/StringOrVec"
             },
             {
               "type": "null"
@@ -297,7 +304,7 @@
         "exclude": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_Array_of_String"
+              "$ref": "#/$defs/InheritableField_for_Array_of_string"
             },
             {
               "type": "null"
@@ -307,7 +314,7 @@
         "include": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_Array_of_String"
+              "$ref": "#/$defs/InheritableField_for_Array_of_string"
             },
             {
               "type": "null"
@@ -317,7 +324,7 @@
         "publish": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_VecStringOrBool"
+              "$ref": "#/$defs/InheritableField_for_VecStringOrBool"
             },
             {
               "type": "null"
@@ -372,20 +379,10 @@
             "null"
           ]
         },
-        "description": {
-          "anyOf": [
-            {
-              "$ref": "#/definitions/InheritableField_for_String"
-            },
-            {
-              "type": "null"
-            }
-          ]
-        },
         "homepage": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_String"
+              "$ref": "#/$defs/InheritableField_for_string"
             },
             {
               "type": "null"
@@ -395,7 +392,7 @@
         "documentation": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_String"
+              "$ref": "#/$defs/InheritableField_for_string"
             },
             {
               "type": "null"
@@ -405,7 +402,7 @@
         "readme": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_StringOrBool"
+              "$ref": "#/$defs/InheritableField_for_StringOrBool"
             },
             {
               "type": "null"
@@ -415,7 +412,7 @@
         "keywords": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_Array_of_String"
+              "$ref": "#/$defs/InheritableField_for_Array_of_string"
             },
             {
               "type": "null"
@@ -425,7 +422,7 @@
         "categories": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_Array_of_String"
+              "$ref": "#/$defs/InheritableField_for_Array_of_string"
             },
             {
               "type": "null"
@@ -435,7 +432,7 @@
         "license": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_String"
+              "$ref": "#/$defs/InheritableField_for_string"
             },
             {
               "type": "null"
@@ -445,7 +442,7 @@
         "license-file": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_String"
+              "$ref": "#/$defs/InheritableField_for_string"
             },
             {
               "type": "null"
@@ -455,7 +452,7 @@
         "repository": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritableField_for_String"
+              "$ref": "#/$defs/InheritableField_for_string"
             },
             {
               "type": "null"
@@ -471,16 +468,19 @@
         "metadata": {
           "anyOf": [
             {
-              "$ref": "#/definitions/TomlValue"
+              "$ref": "#/$defs/TomlValue"
             },
             {
               "type": "null"
             }
           ]
         }
-      }
+      },
+      "required": [
+        "name"
+      ]
     },
-    "InheritableField_for_String": {
+    "InheritableField_for_string": {
       "description": "An enum that allows for inheriting keys from a workspace in a Cargo.toml.",
       "anyOf": [
         {
@@ -489,47 +489,42 @@
         },
         {
           "description": "The type when inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlInheritedField"
-            }
-          ]
+          "$ref": "#/$defs/TomlInheritedField"
         }
       ]
     },
     "TomlInheritedField": {
       "type": "object",
-      "required": [
-        "workspace"
-      ],
       "properties": {
         "workspace": {
-          "$ref": "#/definitions/WorkspaceValue"
+          "$ref": "#/$defs/WorkspaceValue"
         }
-      }
+      },
+      "required": [
+        "workspace"
+      ]
     },
     "WorkspaceValue": {
       "type": "null"
     },
-    "InheritableField_for_Version": {
+    "InheritableField_for_SemVer": {
       "description": "An enum that allows for inheriting keys from a workspace in a Cargo.toml.",
       "anyOf": [
         {
           "description": "The type that is used when not inheriting from a workspace.",
-          "type": "string",
-          "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
+          "$ref": "#/$defs/SemVer"
         },
         {
           "description": "The type when inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlInheritedField"
-            }
-          ]
+          "$ref": "#/$defs/TomlInheritedField"
         }
       ]
     },
-    "InheritableField_for_Array_of_String": {
+    "SemVer": {
+      "type": "string",
+      "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
+    },
+    "InheritableField_for_Array_of_string": {
       "description": "An enum that allows for inheriting keys from a workspace in a Cargo.toml.",
       "anyOf": [
         {
@@ -541,11 +536,7 @@
         },
         {
           "description": "The type when inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlInheritedField"
-            }
-          ]
+          "$ref": "#/$defs/TomlInheritedField"
         }
       ]
     },
@@ -560,7 +551,7 @@
       ]
     },
     "StringOrVec": {
-      "description": "This can be parsed from either a TOML string or array, but is always stored as a vector.",
+      "description": "This can be parsed from either a TOML string or array,\n but is always stored as a vector.",
       "type": "array",
       "items": {
         "type": "string"
@@ -571,19 +562,11 @@
       "anyOf": [
         {
           "description": "The type that is used when not inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/VecStringOrBool"
-            }
-          ]
+          "$ref": "#/$defs/VecStringOrBool"
         },
         {
           "description": "The type when inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlInheritedField"
-            }
-          ]
+          "$ref": "#/$defs/TomlInheritedField"
         }
       ]
     },
@@ -605,19 +588,11 @@
       "anyOf": [
         {
           "description": "The type that is used when not inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/StringOrBool"
-            }
-          ]
+          "$ref": "#/$defs/StringOrBool"
         },
         {
           "description": "The type when inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlInheritedField"
-            }
-          ]
+          "$ref": "#/$defs/TomlInheritedField"
         }
       ]
     },
@@ -730,39 +705,27 @@
       "anyOf": [
         {
           "description": "The type that is used when not inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlDependency_for_String"
-            }
-          ]
+          "$ref": "#/$defs/TomlDependency_for_string"
         },
         {
           "description": "The type when inheriting from a workspace.",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlInheritedDependency"
-            }
-          ]
+          "$ref": "#/$defs/TomlInheritedDependency"
         }
       ]
     },
-    "TomlDependency_for_String": {
+    "TomlDependency_for_string": {
       "anyOf": [
         {
-          "description": "In the simple format, only a version is specified, eg. `package = \"<version>\"`",
+          "description": "In the simple format, only a version is specified, eg.\n `package = \"<version>\"`",
           "type": "string"
         },
         {
-          "description": "The simple format is equivalent to a detailed dependency specifying only a version, eg. `package = { version = \"<version>\" }`",
-          "allOf": [
-            {
-              "$ref": "#/definitions/TomlDetailedDependency_for_String"
-            }
-          ]
+          "description": "The simple format is equivalent to a detailed dependency\n specifying only a version, eg.\n `package = { version = \"<version>\" }`",
+          "$ref": "#/$defs/TomlDetailedDependency_for_string"
         }
       ]
     },
-    "TomlDetailedDependency_for_String": {
+    "TomlDetailedDependency_for_string": {
       "type": "object",
       "properties": {
         "version": {
@@ -778,7 +741,7 @@
           ]
         },
         "registry-index": {
-          "description": "The URL of the `registry` field. This is an internal implementation detail. When Cargo creates a package, it replaces `registry` with `registry-index` so that the manifest contains the correct URL. All users won't have the same registry names configured, so Cargo can't rely on just the name for crates published by other users.",
+          "description": "The URL of the `registry` field.\n This is an internal implementation detail. When Cargo creates a\n package, it replaces `registry` with `registry-index` so that the\n manifest contains the correct URL. All users won't have the same\n registry names configured, so Cargo can't rely on just the name for\n crates published by other users.",
           "type": [
             "string",
             "null"
@@ -863,7 +826,7 @@
           "description": "One or more of `bin`, `cdylib`, `staticlib`, `bin:<name>`.",
           "anyOf": [
             {
-              "$ref": "#/definitions/StringOrVec"
+              "$ref": "#/$defs/StringOrVec"
             },
             {
               "type": "null"
@@ -888,9 +851,6 @@
     },
     "TomlInheritedDependency": {
       "type": "object",
-      "required": [
-        "workspace"
-      ],
       "properties": {
         "workspace": {
           "type": "boolean"
@@ -928,7 +888,10 @@
             "null"
           ]
         }
-      }
+      },
+      "required": [
+        "workspace"
+      ]
     },
     "TomlPlatform": {
       "description": "Corresponds to a `target` entry, but `TomlTarget` is already used.",
@@ -940,7 +903,7 @@
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/InheritableDependency"
+            "$ref": "#/$defs/InheritableDependency"
           }
         },
         "build-dependencies": {
@@ -949,7 +912,7 @@
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/InheritableDependency"
+            "$ref": "#/$defs/InheritableDependency"
           }
         },
         "build_dependencies": {
@@ -958,7 +921,7 @@
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/InheritableDependency"
+            "$ref": "#/$defs/InheritableDependency"
           }
         },
         "dev-dependencies": {
@@ -967,7 +930,7 @@
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/InheritableDependency"
+            "$ref": "#/$defs/InheritableDependency"
           }
         },
         "dev_dependencies": {
@@ -976,29 +939,32 @@
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/InheritableDependency"
+            "$ref": "#/$defs/InheritableDependency"
           }
         }
       }
     },
     "InheritableLints": {
       "type": "object",
-      "required": [
-        "workspace"
-      ],
       "properties": {
         "workspace": {
           "type": "boolean"
         }
+      },
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": {
+          "$ref": "#/$defs/TomlLint"
+        }
       }
     },
     "TomlLint": {
       "anyOf": [
         {
-          "$ref": "#/definitions/TomlLintLevel"
+          "$ref": "#/$defs/TomlLintLevel"
         },
         {
-          "$ref": "#/definitions/TomlLintConfig"
+          "$ref": "#/$defs/TomlLintConfig"
         }
       ]
     },
@@ -1013,18 +979,21 @@
     },
     "TomlLintConfig": {
       "type": "object",
-      "required": [
-        "level"
-      ],
       "properties": {
         "level": {
-          "$ref": "#/definitions/TomlLintLevel"
+          "$ref": "#/$defs/TomlLintLevel"
         },
         "priority": {
-          "default": 0,
           "type": "integer",
-          "format": "int8"
+          "format": "int8",
+          "default": 0
         }
+      },
+      "required": [
+        "level"
+      ],
+      "additionalProperties": {
+        "$ref": "#/$defs/TomlValue"
       }
     },
     "TomlWorkspace": {
@@ -1066,7 +1035,7 @@
         "metadata": {
           "anyOf": [
             {
-              "$ref": "#/definitions/TomlValue"
+              "$ref": "#/$defs/TomlValue"
             },
             {
               "type": "null"
@@ -1076,7 +1045,7 @@
         "package": {
           "anyOf": [
             {
-              "$ref": "#/definitions/InheritablePackage"
+              "$ref": "#/$defs/InheritablePackage"
             },
             {
               "type": "null"
@@ -1089,7 +1058,7 @@
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/TomlDependency_for_String"
+            "$ref": "#/$defs/TomlDependency_for_string"
           }
         },
         "lints": {
@@ -1100,7 +1069,7 @@
           "additionalProperties": {
             "type": "object",
             "additionalProperties": {
-              "$ref": "#/definitions/TomlLint"
+              "$ref": "#/$defs/TomlLint"
             }
           }
         }
@@ -1110,12 +1079,21 @@
       "description": "A group of fields that are inheritable by members of the workspace",
       "type": "object",
       "properties": {
-        "version": {
+        "description": {
           "type": [
             "string",
             "null"
-          ],
-          "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
+          ]
+        },
+        "version": {
+          "anyOf": [
+            {
+              "$ref": "#/$defs/SemVer"
+            },
+            {
+              "type": "null"
+            }
+          ]
         },
         "authors": {
           "type": [
@@ -1126,12 +1104,6 @@
             "type": "string"
           }
         },
-        "description": {
-          "type": [
-            "string",
-            "null"
-          ]
-        },
         "homepage": {
           "type": [
             "string",
@@ -1147,7 +1119,7 @@
         "readme": {
           "anyOf": [
             {
-              "$ref": "#/definitions/StringOrBool"
+              "$ref": "#/$defs/StringOrBool"
             },
             {
               "type": "null"
@@ -1193,7 +1165,7 @@
         "publish": {
           "anyOf": [
             {
-              "$ref": "#/definitions/VecStringOrBool"
+              "$ref": "#/$defs/VecStringOrBool"
             },
             {
               "type": "null"
@@ -1247,170 +1219,170 @@
     "TomlProfiles": {
       "type": "object",
       "additionalProperties": {
-        "$ref": "#/definitions/TomlProfile"
+        "$ref": "#/$defs/TomlProfile"
       }
     },
     "TomlProfile": {
       "type": "object",
       "properties": {
         "opt-level": {
-          "default": null,
           "anyOf": [
             {
-              "$ref": "#/definitions/TomlOptLevel"
+              "$ref": "#/$defs/TomlOptLevel"
             },
             {
               "type": "null"
             }
-          ]
+          ],
+          "default": null
         },
         "lto": {
-          "default": null,
           "anyOf": [
             {
-              "$ref": "#/definitions/StringOrBool"
+              "$ref": "#/$defs/StringOrBool"
             },
             {
               "type": "null"
             }
-          ]
+          ],
+          "default": null
         },
         "codegen-backend": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "codegen-units": {
-          "default": null,
           "type": [
             "integer",
             "null"
           ],
           "format": "uint32",
-          "minimum": 0.0
+          "minimum": 0,
+          "default": null
         },
         "debug": {
-          "default": null,
           "anyOf": [
             {
-              "$ref": "#/definitions/TomlDebugInfo"
+              "$ref": "#/$defs/TomlDebugInfo"
             },
             {
               "type": "null"
             }
-          ]
+          ],
+          "default": null
         },
         "split-debuginfo": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "debug-assertions": {
-          "default": null,
           "type": [
             "boolean",
             "null"
-          ]
+          ],
+          "default": null
         },
         "rpath": {
-          "default": null,
           "type": [
             "boolean",
             "null"
-          ]
+          ],
+          "default": null
         },
         "panic": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "overflow-checks": {
-          "default": null,
           "type": [
             "boolean",
             "null"
-          ]
+          ],
+          "default": null
         },
         "incremental": {
-          "default": null,
           "type": [
             "boolean",
             "null"
-          ]
+          ],
+          "default": null
         },
         "dir-name": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "inherits": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "strip": {
-          "default": null,
           "anyOf": [
             {
-              "$ref": "#/definitions/StringOrBool"
+              "$ref": "#/$defs/StringOrBool"
             },
             {
               "type": "null"
             }
-          ]
+          ],
+          "default": null
         },
         "rustflags": {
-          "default": null,
           "type": [
             "array",
             "null"
           ],
           "items": {
             "type": "string"
-          }
+          },
+          "default": null
         },
         "package": {
-          "default": null,
           "type": [
             "object",
             "null"
           ],
           "additionalProperties": {
-            "$ref": "#/definitions/TomlProfile"
-          }
+            "$ref": "#/$defs/TomlProfile"
+          },
+          "default": null
         },
         "build-override": {
-          "default": null,
           "anyOf": [
             {
-              "$ref": "#/definitions/TomlProfile"
+              "$ref": "#/$defs/TomlProfile"
             },
             {
               "type": "null"
             }
-          ]
+          ],
+          "default": null
         },
         "trim-paths": {
           "description": "Unstable feature `-Ztrim-paths`.",
-          "default": null,
           "anyOf": [
             {
-              "$ref": "#/definitions/TomlTrimPaths"
+              "$ref": "#/$defs/TomlTrimPaths"
             },
             {
               "type": "null"
             }
-          ]
+          ],
+          "default": null
         }
       }
     },
@@ -1432,7 +1404,7 @@
         {
           "type": "array",
           "items": {
-            "$ref": "#/definitions/TomlTrimPathsValue"
+            "$ref": "#/$defs/TomlTrimPathsValue"
           }
         },
         {
diff --git a/crates/cargo-util-schemas/src/manifest/mod.rs b/crates/cargo-util-schemas/src/manifest/mod.rs
index efa125ce533..906ff3d431f 100644
--- a/crates/cargo-util-schemas/src/manifest/mod.rs
+++ b/crates/cargo-util-schemas/src/manifest/mod.rs
@@ -1525,6 +1525,7 @@ impl TomlPlatform {
 #[cfg_attr(feature = "unstable-schema", derive(schemars::JsonSchema))]
 pub struct InheritableLints {
     #[serde(skip_serializing_if = "is_false")]
+    #[cfg_attr(feature = "unstable-schema", schemars(default))]
     pub workspace: bool,
     #[serde(flatten)]
     pub lints: TomlLints,
diff --git a/crates/cargo-util-schemas/src/schema.rs b/crates/cargo-util-schemas/src/schema.rs
index 400997d2b41..c48c855a9f7 100644
--- a/crates/cargo-util-schemas/src/schema.rs
+++ b/crates/cargo-util-schemas/src/schema.rs
@@ -2,19 +2,17 @@ use schemars::JsonSchema;
 
 use serde::{Deserialize, Serialize};
 
-use std::string::String;
-
 use toml::Value as TomlValue;
 
 #[derive(Serialize, Deserialize)]
 pub struct TomlValueWrapper(pub TomlValue);
 
 impl JsonSchema for TomlValueWrapper {
-    fn schema_name() -> String {
-        "TomlValue".to_string()
+    fn schema_name() -> std::borrow::Cow<'static, str> {
+        "TomlValue".into()
     }
 
-    fn json_schema(gen: &mut schemars::gen::SchemaGenerator) -> schemars::schema::Schema {
+    fn json_schema(gen: &mut schemars::SchemaGenerator) -> schemars::Schema {
         // HACK: this is both more and less permissive than `TomlValue` but its close
         gen.subschema_for::<serde_json::Value>().into()
     }