diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2ff8babdee..8533cc278f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -46,7 +46,7 @@ For rustfmt and Clippy, we use [nightly Rust][nightly], as it is stricter than s
 
 ```shell
 cargo +nightly fmt --all     # Auto-formatting...
-cargo +nightly clippy --fix --workspace --all-targets --all-features -- -W clippy::pedantic  # Linting...
+cargo +nightly clippy --fix --workspace --all-targets --all-features  # Linting...
 cargo test --all    # Testing...
 ```
 
diff --git a/flake8_to_ruff/src/main.rs b/flake8_to_ruff/src/main.rs
index e5dbcf2662..3aff2f3398 100644
--- a/flake8_to_ruff/src/main.rs
+++ b/flake8_to_ruff/src/main.rs
@@ -1,5 +1,6 @@
 //! Utility to generate Ruff's `pyproject.toml` section from a Flake8 INI file.
 #![forbid(unsafe_code)]
+#![warn(clippy::pedantic)]
 #![allow(
     clippy::collapsible_else_if,
     clippy::collapsible_if,
diff --git a/ruff_cli/src/lib.rs b/ruff_cli/src/lib.rs
index 4b2cfffb36..cb0214e325 100644
--- a/ruff_cli/src/lib.rs
+++ b/ruff_cli/src/lib.rs
@@ -3,6 +3,7 @@
 //!
 //! For the actual Ruff library, see [`ruff`].
 #![forbid(unsafe_code)]
+#![warn(clippy::pedantic)]
 #![allow(clippy::must_use_candidate, dead_code)]
 
 mod cli;
diff --git a/ruff_cli/src/main.rs b/ruff_cli/src/main.rs
index 5fa29feed1..b32bf86dab 100644
--- a/ruff_cli/src/main.rs
+++ b/ruff_cli/src/main.rs
@@ -1,4 +1,5 @@
 #![forbid(unsafe_code)]
+#![warn(clippy::pedantic)]
 #![allow(
     clippy::match_same_arms,
     clippy::missing_errors_doc,
diff --git a/ruff_dev/src/main.rs b/ruff_dev/src/main.rs
index 5453ef693b..1c77096f46 100644
--- a/ruff_dev/src/main.rs
+++ b/ruff_dev/src/main.rs
@@ -2,6 +2,7 @@
 //!
 //! Within the ruff repository you can run it with `cargo dev`.
 #![forbid(unsafe_code)]
+#![warn(clippy::pedantic)]
 #![allow(
     clippy::collapsible_else_if,
     clippy::collapsible_if,
diff --git a/ruff_macros/src/lib.rs b/ruff_macros/src/lib.rs
index 8b62ac464f..3fe7106f82 100644
--- a/ruff_macros/src/lib.rs
+++ b/ruff_macros/src/lib.rs
@@ -1,5 +1,6 @@
 //! This crate implements internal macros for the `ruff` library.
 #![forbid(unsafe_code)]
+#![warn(clippy::pedantic)]
 #![allow(
     clippy::collapsible_else_if,
     clippy::collapsible_if,
diff --git a/src/lib.rs b/src/lib.rs
index 494e96aad9..547605ba57 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,6 +5,7 @@
 //!
 //! [Ruff]: https://github.com/charliermarsh/ruff
 #![forbid(unsafe_code)]
+#![warn(clippy::pedantic)]
 #![allow(
     clippy::collapsible_else_if,
     clippy::collapsible_if,