diff --git a/_includes/head.html b/_includes/head.html
index 22d987a..1b322ca 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -38,8 +38,8 @@
     <script>
         FontAwesomeConfig = { autoAddCss: false }
     </script>
-    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
-            integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
+    <script src="https://code.jquery.com/jquery-3.3.1.min.js"
+            integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
             crossorigin="anonymous"></script>
     {% asset main.js %}
     {% asset echo.js %}