diff --git a/synthtool/gcp/templates/python_library/.pre-commit-config.yaml b/synthtool/gcp/templates/python_library/.pre-commit-config.yaml
index a9024b15d..32302e488 100644
--- a/synthtool/gcp/templates/python_library/.pre-commit-config.yaml
+++ b/synthtool/gcp/templates/python_library/.pre-commit-config.yaml
@@ -12,6 +12,6 @@ repos:
     hooks:
     - id: black
 -   repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.4
+    rev: 3.9.0
     hooks:
     - id: flake8