diff --git a/pkgs/by-name/pr/pretix/plugins/zugferd/package.nix b/pkgs/by-name/pr/pretix/plugins/zugferd/package.nix
index 50d4dc179d88..5712895131d3 100644
--- a/pkgs/by-name/pr/pretix/plugins/zugferd/package.nix
+++ b/pkgs/by-name/pr/pretix/plugins/zugferd/package.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "pretix-zugferd";
-  version = "2.6.3";
+  version = "2.6.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pretix";
     repo = "pretix-zugferd";
     rev = "v${version}";
-    hash = "sha256-HE3L5VS0n1NL/jprcnMwaNriFKIN1pogPM2cDw2ZPdk=";
+    hash = "sha256-qNCyI7sqHC+eqeSLeeyLUIoI/JOmv/i4tsacMzceKa0=";
   };
 
   postPatch = ''