diff --git a/examples/mysql/getting_started_step_1/Cargo.toml b/examples/mysql/getting_started_step_1/Cargo.toml
index d452c25da2ab..aaa15e90730a 100644
--- a/examples/mysql/getting_started_step_1/Cargo.toml
+++ b/examples/mysql/getting_started_step_1/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 diesel = { version = "2.1.0", path = "../../../diesel", features = ["mysql"] }
 dotenvy = "0.15"
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/mysql/getting_started_step_2/Cargo.toml b/examples/mysql/getting_started_step_2/Cargo.toml
index d07d2b704e10..67b600216b22 100644
--- a/examples/mysql/getting_started_step_2/Cargo.toml
+++ b/examples/mysql/getting_started_step_2/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 diesel = { version = "2.1.0", path = "../../../diesel", features = ["mysql"] }
 dotenvy = "0.15"
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/mysql/getting_started_step_3/Cargo.toml b/examples/mysql/getting_started_step_3/Cargo.toml
index 24288748689a..c5cee72708d3 100644
--- a/examples/mysql/getting_started_step_3/Cargo.toml
+++ b/examples/mysql/getting_started_step_3/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 diesel = { version = "2.1.0", path = "../../../diesel", features = ["mysql"] }
 dotenvy = "0.15"
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/postgres/getting_started_step_1/Cargo.toml b/examples/postgres/getting_started_step_1/Cargo.toml
index 96101d7771fd..e2db1421dd0f 100644
--- a/examples/postgres/getting_started_step_1/Cargo.toml
+++ b/examples/postgres/getting_started_step_1/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 diesel = { version = "2.1.0", path = "../../../diesel", features = ["postgres"] }
 dotenvy = "0.15"
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/postgres/getting_started_step_2/Cargo.toml b/examples/postgres/getting_started_step_2/Cargo.toml
index 99eb748a9813..cba793e0aa40 100644
--- a/examples/postgres/getting_started_step_2/Cargo.toml
+++ b/examples/postgres/getting_started_step_2/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 diesel = { version = "2.1.0", path = "../../../diesel", features = ["postgres"] }
 dotenvy = "0.15"
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/postgres/getting_started_step_3/Cargo.toml b/examples/postgres/getting_started_step_3/Cargo.toml
index 5e3a8a1dbcf2..66285da98f11 100644
--- a/examples/postgres/getting_started_step_3/Cargo.toml
+++ b/examples/postgres/getting_started_step_3/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 diesel = { version = "2.1.0", path = "../../../diesel", features = ["postgres"] }
 dotenvy = "0.15"
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/sqlite/getting_started_step_1/Cargo.toml b/examples/sqlite/getting_started_step_1/Cargo.toml
index ae2fcfb1d653..49276c8c805c 100644
--- a/examples/sqlite/getting_started_step_1/Cargo.toml
+++ b/examples/sqlite/getting_started_step_1/Cargo.toml
@@ -11,7 +11,7 @@ diesel = { version = "2.1.0", path = "../../../diesel", features = ["sqlite"] }
 dotenvy = "0.15"
 libsqlite3-sys = { version = "0.28.0", features = ["bundled"] }
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/sqlite/getting_started_step_2/Cargo.toml b/examples/sqlite/getting_started_step_2/Cargo.toml
index e4aacd8f23e4..1bf034062ff8 100644
--- a/examples/sqlite/getting_started_step_2/Cargo.toml
+++ b/examples/sqlite/getting_started_step_2/Cargo.toml
@@ -10,7 +10,7 @@ diesel = { version = "2.1.0", path = "../../../diesel", features = ["sqlite", "r
 dotenvy = "0.15"
 libsqlite3-sys = { version = "0.28.0", features = ["bundled"] }
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]
diff --git a/examples/sqlite/getting_started_step_3/Cargo.toml b/examples/sqlite/getting_started_step_3/Cargo.toml
index df55ed256afc..e9fb2e650de7 100644
--- a/examples/sqlite/getting_started_step_3/Cargo.toml
+++ b/examples/sqlite/getting_started_step_3/Cargo.toml
@@ -10,7 +10,7 @@ diesel = { version = "2.1.0", path = "../../../diesel", features = ["sqlite", "r
 dotenvy = "0.15"
 libsqlite3-sys = { version = "0.28.0", features = ["bundled"] }
 
-[dev_dependencies]
+[dev-dependencies]
 assert_cmd = "2.0.14"
 
 [[bin]]