diff --git a/pkgs/development/python-modules/cloudpickle/default.nix b/pkgs/development/python-modules/cloudpickle/default.nix
index 2ddebe50fbe7..ff5bad75b7dd 100644
--- a/pkgs/development/python-modules/cloudpickle/default.nix
+++ b/pkgs/development/python-modules/cloudpickle/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "cloudpickle";
-  version = "3.0.0";
+  version = "3.1.1";
   pyproject = true;
 
   disabled = pythonOlder "3.6";
@@ -23,7 +23,7 @@ buildPythonPackage rec {
     owner = "cloudpipe";
     repo = "cloudpickle";
     tag = "v${version}";
-    hash = "sha256-UeKVwzT0m4fhEVnG7TvQsFR99JsmwwoXmr+rWnTCeJU=";
+    hash = "sha256-e8kEznjuIrdjNsXwXJO3lcEEpiCR+UQzXnGrTarUb5E=";
   };
 
   nativeBuildInputs = [ flit-core ];
@@ -41,7 +41,7 @@ buildPythonPackage rec {
   ];
 
   meta = with lib; {
-    changelog = "https://github.com/cloudpipe/cloudpickle/blob/v${version}/CHANGES.md";
+    changelog = "https://github.com/cloudpipe/cloudpickle/blob/${src.tag}/CHANGES.md";
     description = "Extended pickling support for Python objects";
     homepage = "https://github.com/cloudpipe/cloudpickle";
     license = with licenses; [ bsd3 ];