diff --git a/Assets/07.RKTools/package.json b/Assets/07.RKTools/package.json
index 1357a94..f2a401d 100644
--- a/Assets/07.RKTools/package.json
+++ b/Assets/07.RKTools/package.json
@@ -16,6 +16,6 @@
   "dependencies": {
     "com.rokid.xr.unity":"3.0.3",
     "com.staryevo.main":"1.x.x",
-    "com.rokid.xr.extension":"x.x.x"
+    "com.rokid.xr.extension":"3.x.x"
   }
 }