diff --git a/external/config.json b/external/config.json
index 445d93e1f2..d622dd9068 100644
--- a/external/config.json
+++ b/external/config.json
@@ -1,5 +1,5 @@
 {
-    "version": "v80",
+    "version": "v81",
     "zip_file_size": "107642814",
     "repo_name": "engine-x-3rd",
     "repo_parent": "https://github.com/c4games/",