diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fd12a76c..b8958a64 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -39,7 +39,7 @@ repos:
   # Ruff: Fast Linting and Formatting (replaces flake8, black, isort)
   # =============================================================================
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 39d9ac5938dadb73df0564a45f163e25ff9fa6e2  # v0.16.1
+    rev: 321478e58f4938179c6b86e4ddfa923d1547a49b  # v0.16.6
     hooks:
       # Linter - runs first, can auto-fix
       - id: ruff