diff --git a/pkgs/development/python-modules/pycec/default.nix b/pkgs/development/python-modules/pycec/default.nix
index 831b12efa987..832d38d72677 100644
--- a/pkgs/development/python-modules/pycec/default.nix
+++ b/pkgs/development/python-modules/pycec/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "pycec";
-  version = "0.5.2";
+  version = "0.6.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -16,8 +16,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "konikvranik";
     repo = pname;
-    rev = "v${version}";
-    hash = "sha256-H18petSiUdftZN8Q3fPmfSJA3OZks+gI+FAq9LwkRsk=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-5KQyHjAvHWeHFqcFHFJxDOPwWuVcFAN2wVdz9a77dzU=";
   };
 
   propagatedBuildInputs = [