diff --git a/pkgs/development/python-modules/catboost/default.nix b/pkgs/development/python-modules/catboost/default.nix
index 2c4d3bb23516..0dfc302a49a5 100644
--- a/pkgs/development/python-modules/catboost/default.nix
+++ b/pkgs/development/python-modules/catboost/default.nix
@@ -5,15 +5,15 @@
 
 buildPythonPackage rec {
   pname = "catboost";
-  version = "1.0.5";
+  version = "1.1.1";
 
   disabled = pythonOlder "3.4";
 
   src = fetchFromGitHub {
     owner = "catboost";
     repo = "catboost";
-    rev = "v${version}";
-    sha256 = "ILemeZUBI9jPb9G6F7QX/T1HaVhQ+g6y7YmsT6DFCJk=";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-bqnUHTTRan/spA5y4LRt/sIUYpP3pxzdN/4wHjzgZVY=";
   };
 
   nativeBuildInputs = [ clang_12 ];