diff --git a/src/package_version.rs b/src/package_version.rs
index 1f9f585a..2f7d44c2 100644
--- a/src/package_version.rs
+++ b/src/package_version.rs
@@ -152,7 +152,7 @@ pub fn default_version(package: &PythonPackage) -> String {
         PythonPackage::MyPy => "1.11.0".to_string(),
         PythonPackage::Pytest => "8.3.2".to_string(),
         PythonPackage::PytestCov => "5.0.0".to_string(),
-        PythonPackage::Ruff => "0.5.4".to_string(),
+        PythonPackage::Ruff => "0.5.5".to_string(),
         PythonPackage::Tomli => "2.0.1".to_string(),
     }
 }
@@ -161,7 +161,7 @@ pub fn default_pre_commit_rev(hook: &PreCommitHook) -> String {
     match hook {
         PreCommitHook::MyPy => "v1.11.0".to_string(),
         PreCommitHook::PreCommit => "v4.7.1".to_string(),
-        PreCommitHook::Ruff => "v0.5.4".to_string(),
+        PreCommitHook::Ruff => "v0.5.5".to_string(),
     }
 }