diff --git a/manifest.json b/manifest.json
index 64be384..1a07161 100644
--- a/manifest.json
+++ b/manifest.json
@@ -9,7 +9,7 @@
     "gecko": {
       "id": "joplin-export@martin.doerfelt",
       "strict_min_version": "88.0",
-      "strict_max_version": "127.*"
+      "strict_max_version": "128.*"
     }
   },
   "background": {