diff --git a/index.html b/index.html
index 533f983..1b86fab 100644
--- a/index.html
+++ b/index.html
@@ -73,8 +73,10 @@
             } else {
                 return new Promise((resolve, reject) => {
                     const script = document.createElement("script");
-                    script.setAttribute("src", "https://cdn.jsdelivr.net/npm/js-sha256@0.11.0/src/sha256.min.js");
+                    script.setAttribute("src", "https://cdn.jsdelivr.net/npm/js-sha256@0.11.1/src/sha256.min.js");
                     script.setAttribute("type", "text/javascript");
+                    script.setAttribute("integrity", "sha384-770qA4HuffiCn2yxSxNLbMwOo4ASxYoGkCSKWiTJy8df4UKbkJ3fAtnE+iTegBWn");
+                    script.setAttribute("crossorigin", "anonymous");
                     script.setAttribute("async", "async");
                     script.addEventListener("load", async () => {
                         resolve(await _sha256(bytes));
@@ -159,6 +161,8 @@
             const script = document.createElement("script");
             script.setAttribute("src", "https://cdn.jsdelivr.net/npm/clipboard@2.0.11/dist/clipboard.min.js");
             script.setAttribute("type", "text/javascript");
+            script.setAttribute("integrity", "sha384-J08i8An/QeARD9ExYpvphB8BsyOj3Gh2TSh1aLINKO3L0cMSH2dN3E22zFoXEi0Q");
+            script.setAttribute("crossorigin", "anonymous");
             script.setAttribute("async", "async");
             script.addEventListener("load", () => {
                 const clipboard = new ClipboardJS(ckeyCopyDom);