diff --git a/dev/data/manifest-variants.json b/dev/data/manifest-variants.json
index 5c8eb1c9..e8ab266d 100644
--- a/dev/data/manifest-variants.json
+++ b/dev/data/manifest-variants.json
@@ -235,6 +235,11 @@
                     "action": "set",
                     "path": ["browser_specific_settings", "gecko", "id"],
                     "value": "alex.testing@foosoft.net"
+                },
+                {
+                    "action": "set",
+                    "path": ["browser_specific_settings", "gecko", "update_url"],
+                    "value": "https://foosoft.net/projects/yomichan/dl/updates.json"
                 }
             ],
             "excludeFiles": [