diff --git a/setup.py b/setup.py
index 08ea903..9c2d6ef 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@
     packages=find_packages(exclude=("tests",)),
     include_package_data=True,
     install_requires=[
-        "pymemcache==3.4.3",
+        "pymemcache==4.0.0",
         "Django>=3.2",
     ],
 )