diff --git a/pkgs/by-name/pr/pretix/package.nix b/pkgs/by-name/pr/pretix/package.nix
index d7505624daa8..0409dfd92e05 100644
--- a/pkgs/by-name/pr/pretix/package.nix
+++ b/pkgs/by-name/pr/pretix/package.nix
@@ -106,6 +106,7 @@ python.pkgs.buildPythonApplication rec {
     "reportlab"
     "requests"
     "sentry-sdk"
+    "sepaxml"
     "ua-parser"
     "webauthn"
   ];