diff --git a/modules/nextcloud.nix b/modules/nextcloud.nix
index c065bac..b775c51 100644
--- a/modules/nextcloud.nix
+++ b/modules/nextcloud.nix
@@ -79,6 +79,7 @@ with lib;
       };
       notify_push = {
         enable = true;
+        package = unstable.nextcloud-notify_push;
       };
       # Suggested by Nextcloud's health check.
       phpOptions."opcache.interned_strings_buffer" = "16";