diff --git a/pkgs/development/python-modules/mf2py/default.nix b/pkgs/development/python-modules/mf2py/default.nix
index 7990ee730868..b39989bf322e 100644
--- a/pkgs/development/python-modules/mf2py/default.nix
+++ b/pkgs/development/python-modules/mf2py/default.nix
@@ -11,13 +11,13 @@
 
 buildPythonPackage rec {
   pname = "mf2py";
-  version = "1.1.2";
+  version = "1.1.3";
 
   src = fetchFromGitHub {
     owner = "microformats";
     repo = "mf2py";
-    rev = version;
-    hash = "sha256-9pAD/eCmc/l7LGmKixDhZy3hhj1jCmcyo9wbqgtz/wI=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-Ya8DND1Dqbygbf1hjIGMlPwyc/MYIWIj+KnWB6Bqu1k=";
   };
 
   propagatedBuildInputs = [