diff --git a/Cargo.lock b/Cargo.lock
index b0ad81f70e55a..d24eba509fc22 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1868,12 +1868,12 @@ checksum = "3a4f925191b4367301851c6d99b09890311d74b0d43f274c0b34c86d308a3663"
 
 [[package]]
 name = "cargo_toml"
-version = "0.15.3"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "599aa35200ffff8f04c1925aa1acc92fa2e08874379ef42e210a80e527e60838"
+checksum = "adf89139afbf0eac9d3f07080b14f5a739f44a916196af8c0a280baa080c20b8"
 dependencies = [
  "serde",
- "toml 0.7.8",
+ "toml 0.8.0",
 ]
 
 [[package]]
@@ -8812,18 +8812,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "toml"
-version = "0.7.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
-dependencies = [
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_edit 0.19.15",
-]
-
 [[package]]
 name = "toml"
 version = "0.8.0"
@@ -8833,7 +8821,7 @@ dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.20.0",
+ "toml_edit",
 ]
 
 [[package]]
@@ -8845,19 +8833,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "toml_edit"
-version = "0.19.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
-dependencies = [
- "indexmap 2.0.0",
- "serde",
- "serde_spanned",
- "toml_datetime",
- "winnow",
-]
-
 [[package]]
 name = "toml_edit"
 version = "0.20.0"
diff --git a/lib/vector-vrl/web-playground/Cargo.toml b/lib/vector-vrl/web-playground/Cargo.toml
index a8217d204818c..836c791141628 100644
--- a/lib/vector-vrl/web-playground/Cargo.toml
+++ b/lib/vector-vrl/web-playground/Cargo.toml
@@ -19,4 +19,4 @@ vector-vrl-functions = { path = "../functions" }
 enrichment = { path = "../../enrichment" }
 
 [build-dependencies]
-cargo_toml = "0.15.3"
+cargo_toml = "0.16.0"