diff --git a/pkgs/development/python-modules/cbor2/default.nix b/pkgs/development/python-modules/cbor2/default.nix
index ce8bf6257cfb..319d7feb44fa 100644
--- a/pkgs/development/python-modules/cbor2/default.nix
+++ b/pkgs/development/python-modules/cbor2/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "cbor2";
-  version = "5.6.3";
+  version = "5.6.4";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-5vCuJ1HC0zOpYOCAfAYRSU6xJFYxoWeWWsvBAFCUVdM=";
+    hash = "sha256-HFM8UN3oa+8caVBgIFSg/6PDduiw4gx7j1sQh5P2mD4=";
   };
 
   postPatch = ''