diff --git a/flatpak_builder_lint/staticfiles/exceptions.json b/flatpak_builder_lint/staticfiles/exceptions.json
index 9773da3a..6a728c87 100644
--- a/flatpak_builder_lint/staticfiles/exceptions.json
+++ b/flatpak_builder_lint/staticfiles/exceptions.json
@@ -1631,5 +1631,8 @@
     },
     "io.github.Youda008.DoomRunner": {
         "finish-args-flatpak-spawn-access": "Needed to execute external game engines"
+    },
+    "xyz.tytanium.DoorKnocker": {
+        "finish-args-flatpak-spawn-access": "Required to get/check xdg-desktop-portal version"
     }
 }