diff --git a/installer.yaml b/installer.yaml
index d4b1ef1..412207f 100644
--- a/installer.yaml
+++ b/installer.yaml
@@ -349,6 +349,9 @@ data:
             sysfsutils:
                 rationale: Generated.
                 ref: 72a03ba8c083acb6c8e79b9834ced94b09c26275
+            startup-notification:
+                rationale: Needed by metacity
+                ref: bc6a82cbe9b0db6ba68dfa28a2b90e33efadf025
             tigervnc:
                 rationale: Generated.
                 ref: 501e5d47822a81e3834912058b665b6c4b2432a1