diff --git a/pkgs/development/python-modules/zimports/default.nix b/pkgs/development/python-modules/zimports/default.nix
index d968bf794ab3..d350e2040891 100644
--- a/pkgs/development/python-modules/zimports/default.nix
+++ b/pkgs/development/python-modules/zimports/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "sqlalchemyorg";
     repo = "zimports";
-    rev = version;
+    rev = "v${version}";
     sha256 = "11mg7j7xiypv9hki4qbnp9jsgwgfdrgdzfqyrzk5x0s4hycgi4q0";
   };