diff --git a/index.html b/index.html
index e4c760c..4ae9682 100644
--- a/index.html
+++ b/index.html
@@ -28,7 +28,7 @@
   <link rel="icon" href="/favicon.svg" />
   <link rel="apple-touch-icon" href="/favicon.svg" />
   <link rel="manifest" href="/manifest.json" />
-  <script>
+  <script integrity="sha256-rx9EtEVmqxUIzMXrtl4DeG1J3qw+cWA3RniGteNFzho=">
     if (window.location.pathname === "/") {
       const lastOpenedBudget = localStorage.getItem("guitos_lastOpenedBudget");
       if (lastOpenedBudget) {