diff --git a/pkgs/development/python-modules/cloudpickle/default.nix b/pkgs/development/python-modules/cloudpickle/default.nix
index ec5f8bcba3b2..acae5d73b2cf 100644
--- a/pkgs/development/python-modules/cloudpickle/default.nix
+++ b/pkgs/development/python-modules/cloudpickle/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "cloudpickle";
-  version = "0.5.2";
+  version = "0.5.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b0e63dd89ed5285171a570186751bc9b84493675e99e12789e9a5dc5490ef554";
+    sha256 = "54858c7b7dc763ed894ff91059c1d0b017d593fe23850d3d8d75f47d98398197";
   };
 
   buildInputs = [ pytest mock ];