diff --git a/pkgs/development/python-modules/mypy/default.nix b/pkgs/development/python-modules/mypy/default.nix
index ffdd8bc5ac2c..a0bfe126d5a4 100644
--- a/pkgs/development/python-modules/mypy/default.nix
+++ b/pkgs/development/python-modules/mypy/default.nix
@@ -3,6 +3,7 @@
   stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+  gitUpdater,
   pythonAtLeast,
   pythonOlder,
 
@@ -42,6 +43,9 @@ buildPythonPackage rec {
     rev = "refs/tags/v${version}";
     hash = "sha256-NCnc4C/YFKHN/kT7RTFCYs/yC00Kt1E7mWCoQuUjxG8=";
   };
+  passthru.updateScript = gitUpdater {
+    rev-prefix = "v";
+  };
 
   build-system = [
     mypy-extensions