diff --git a/core/src/main/webapp/index.html b/core/src/main/webapp/index.html
index 68f8d179c8..eabfb29fd1 100644
--- a/core/src/main/webapp/index.html
+++ b/core/src/main/webapp/index.html
@@ -4,8 +4,11 @@
     <meta charset="UTF-8" />
     <link href="favicon.ico" rel="shortcut icon" />
     <script
-      src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"
       type="text/javascript"
+      src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.4.2/jquery.min.js"
+      integrity="sha512-zJLPWps6YqGK9DL9/7gbdtqE4vQ848eACpGcEICRGNBhHimkfxA/898YpU1TMbxfBu9HcdxAbMdjsw/ypmo+gQ=="
+      crossorigin="anonymous"
+      referrerpolicy="no-referrer"
     ></script>
     <script type="text/javascript">
       function changeFormat() {
diff --git a/docs/src/main/resources/templates/_main.html b/docs/src/main/resources/templates/_main.html
index 5cefed8258..07835cc1c2 100644
--- a/docs/src/main/resources/templates/_main.html
+++ b/docs/src/main/resources/templates/_main.html
@@ -156,7 +156,7 @@ <h1>{{pageTitle}}</h1>
 
     <script
       type="text/javascript"
-      src="https://code.jquery.com/jquery-3.5.1.min.js"
+      src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"
       integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg=="
       crossorigin="anonymous"
       referrerpolicy="no-referrer"