diff --git a/sdks/python/pyproject.toml b/sdks/python/pyproject.toml
index 9f5c4788e200..552393aaf806 100644
--- a/sdks/python/pyproject.toml
+++ b/sdks/python/pyproject.toml
@@ -25,7 +25,7 @@ requires = [
     "grpcio-tools==1.71.0; python_version >= '3.13'",
     "mypy-protobuf==3.5.0",
     # Avoid https://github.com/pypa/virtualenv/issues/2006
-    "distlib==0.3.9",
+    "distlib==0.4.0",
     # Numpy headers
     "numpy>=1.14.3,<2.3.0", # Update setup.py as well.
     # having cython here will create wheels that are platform dependent.