diff --git a/app/static/index.html b/app/static/index.html
index 3545e45..d51f8c6 100644
--- a/app/static/index.html
+++ b/app/static/index.html
@@ -1676,7 +1676,7 @@
     </script>
     
     <!-- Chart.js for historical analysis graphs -->
-    <script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@3.0.0/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js@3.9.1/dist/chart.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@2.0.0/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
 </body>
 </html>