diff --git a/manifest.json b/manifest.json
index 7325c88..e88abbb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,7 +12,7 @@
     "gecko": {
       "id": "thunderbird@mailhops.com",
       "strict_min_version": "74.0",
-      "strict_max_version": "93.*"
+      "strict_max_version": "93.0"
     }
   },
   "default_locale": "en",