diff --git a/setup.py b/setup.py
index 936ac29..33e25ac 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ def readme():
             "dill==0.3.7",
             "flake8==6.1.0",
             "isort==5.12.0",
-            "pytype==2023.6.16",
+            "pytype==2023.9.19",
             "pytest==7.4.2",
             "pytest-cov==4.1.0",
             "pytest-mock==3.11.1",