diff --git a/pkgs/development/python-modules/pymemcache/default.nix b/pkgs/development/python-modules/pymemcache/default.nix
index c9d3ef94d778..594964e66491 100644
--- a/pkgs/development/python-modules/pymemcache/default.nix
+++ b/pkgs/development/python-modules/pymemcache/default.nix
@@ -1,15 +1,17 @@
 { lib
 , buildPythonPackage
+, faker
 , fetchFromGitHub
 , mock
 , six
 , pytestCheckHook
 , pythonOlder
+, zstd
 }:
 
 buildPythonPackage rec {
   pname = "pymemcache";
-  version = "3.5.2";
+  version = "4.0.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -18,7 +20,7 @@ buildPythonPackage rec {
     owner = "pinterest";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-bsiFWZHGJO/07w6mFXzf0JwftJWClE2mTv86h8zT1K0=";
+    hash = "sha256-WgtHhp7lE6StoOBfSy9+v3ODe/+zUC7lGrc2S4M68+M=";
   };
 
   propagatedBuildInputs = [
@@ -26,8 +28,10 @@ buildPythonPackage rec {
   ];
 
   checkInputs = [
+    faker
     mock
     pytestCheckHook
+    zstd
   ];
 
   postPatch = ''