diff --git a/dev-requirements.txt b/dev-requirements.txt
index 0467311..4e8838a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,4 +3,4 @@ packaging==23.1
 pytest==7.4.1
 wheel==0.41.2
 setuptools==67.8.0
-pytype==2023.4.27
+pytype==2023.9.11