diff --git a/pkgs/development/python-modules/cloudpickle/default.nix b/pkgs/development/python-modules/cloudpickle/default.nix
index 37678b93d195..2acfe17327b6 100644
--- a/pkgs/development/python-modules/cloudpickle/default.nix
+++ b/pkgs/development/python-modules/cloudpickle/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "cloudpickle";
-  version = "2.2.0";
+  version = "2.2.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-P0IZRpxVRTz+RzflZLZ8KhSRCdq/fyQkeJSLiV9hEG8=";
+    hash = "sha256-2JaEuN6eNKKkOzRg+8oH0J1uJc6FjfTVpEJAQDthePU=";
   };
 
   nativeCheckInputs = [