diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 371f16d..7b97d2b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,7 +12,7 @@ repos:
       - id: check-toml
       - id: check-added-large-files
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.8.4
+    rev: v0.8.4  # Sync with requirements.txt
     hooks:
       - id: ruff
         name: ruff lint
diff --git a/requirements.txt b/requirements.txt
index 1e152b9..30eb950 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ pytest-cov
 pyyaml
 requests
 requests-cache
-ruff
+ruff==0.8.4  # Sync with .pre-commit-config.yaml
 six
 unicodecsv