diff --git a/00_simple/package.json b/00_simple/package.json
index c6a5821..5fe58f1 100644
--- a/00_simple/package.json
+++ b/00_simple/package.json
@@ -16,7 +16,7 @@
     "compression": "^1.4.1",
     "express": "^4.12.0",
     "handlebars": "^2.0.0",
-    "jquery": "^2.1.3",
+    "jquery": "^3.5.0",
     "rendr": "^1.0.1",
     "rendr-handlebars": "^2.0.0",
     "serve-static": "^1.9.1",