diff --git a/packages/bookwyrm/package.nix b/packages/bookwyrm/package.nix
index 555421f..62cb245 100644
--- a/packages/bookwyrm/package.nix
+++ b/packages/bookwyrm/package.nix
@@ -45,6 +45,7 @@ mkDerivation {
 		ln -sf ${cffi}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/
 		ln -sf ${click}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/
 		ln -sf ${colorthief}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/
+		ln -sf ${cron-descriptor}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/
 		ln -sf ${cryptography}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/
 		ln -sf ${django}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/
 		ln -sf ${django-celery-beat}/lib/python3.11/site-packages/* /build/lib/python3.11/site-packages/