diff --git a/pyproject.toml b/pyproject.toml
index 7354002..3e3d27c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,7 +69,7 @@ dev-docs = [
 
 dev-fmt = [
     "pre-commit>=3.0.4,<4.0",
-    "ruff==0.6.3",
+    "ruff==0.6.4",
 ]
 
 dev-build = [