diff --git a/package.json b/package.json
index a7dc9eb..3cbd578 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "args": "5.0.1",
     "axios": "0.24.0",
     "big-integer": "1.6.51",
-    "chess.js": "0.12.0",
+    "chess.js": "0.13.4",
     "clipboardy": "3.0.0",
     "opn": "5.5.0"
   },