diff --git a/src/manifest.json b/src/manifest.json
index c67fcb4..122503e 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -9,7 +9,7 @@
     },
     "gecko_android": {}
   },
-  "version": "11.5.2",
+  "version": "11.5.3rc1",
   "description": "__MSG_Description__",
   "incognito": "spanning",