diff --git a/pkgs/development/python-modules/ckcc-protocol/default.nix b/pkgs/development/python-modules/ckcc-protocol/default.nix
index dc4d589327c7..7c2aeed1df75 100644
--- a/pkgs/development/python-modules/ckcc-protocol/default.nix
+++ b/pkgs/development/python-modules/ckcc-protocol/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "ckcc-protocol";
-  version = "1.4.0";
+  version = "1.5.0";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-zZPU0+MwjqRYCqa+W0YTqCZv2WsMwa9R5xaN7ye77OU=";
+    hash = "sha256-Sdb30OtBOn2Txfh9N86yY1JAIxjkwL7/NB+fA8RI10w=";
   };
 
   propagatedBuildInputs = [