diff --git a/pkgs/by-name/pr/pretix/package.nix b/pkgs/by-name/pr/pretix/package.nix
index fa30d5c1a17d..1a8731768616 100644
--- a/pkgs/by-name/pr/pretix/package.nix
+++ b/pkgs/by-name/pr/pretix/package.nix
@@ -98,6 +98,7 @@ python.pkgs.buildPythonApplication rec {
       --replace-fail "markdown==3.6" markdown \
       --replace-fail "protobuf==5.27.*" protobuf \
       --replace-fail "pycryptodome==3.20.*" pycryptodome \
+      --replace-fail "pypdf==4.2.*" pypdf \
       --replace-fail "python-dateutil==2.9.*" python-dateutil \
       --replace-fail "requests==2.31.*" "requests" \
       --replace-fail "sentry-sdk==2.5.*" "sentry-sdk>=2" \