diff --git a/ch13/backbone-router/package.json b/ch13/backbone-router/package.json
index d61cc80..04fa441 100644
--- a/ch13/backbone-router/package.json
+++ b/ch13/backbone-router/package.json
@@ -20,7 +20,7 @@
     "babel-loader": "6.4.1",
     "babel-preset-react": "6.5.0",
     "backbone": "1.3.3",
-    "jquery": "3.1.0",
+    "jquery": "3.5.0",
     "react": "15.5.4",
     "react-dom": "15.5.4",
     "webpack": "2.4.1"