diff --git a/sdks/python/pyproject.toml b/sdks/python/pyproject.toml
index c5e642a8b37c..d8f09d7474b4 100644
--- a/sdks/python/pyproject.toml
+++ b/sdks/python/pyproject.toml
@@ -213,3 +213,4 @@ invalid-argument = "ignore"
 invalid-inheritance = "ignore"
 not-iterable = "ignore"
 unexpected-keyword = "ignore"
+bad-class-definition = "ignore"
diff --git a/sdks/python/setup.py b/sdks/python/setup.py
index 65c247fa5057..5ffa191e9005 100644
--- a/sdks/python/setup.py
+++ b/sdks/python/setup.py
@@ -461,8 +461,8 @@ def get_portability_package_data():
       # BEAM-8840: Do NOT use tests_require or setup_requires.
       extras_require={
           'dev': [
-            'pyrefly==0.54.0',
-            'ruff==0.15.7',
+            'pyrefly==1.1.1',
+            'ruff==0.15.22',
             'yapf==0.43.0',
           ],
           'dill': [