diff --git a/src/template/index.html b/src/template/index.html
index 33a26f8..e38208c 100644
--- a/src/template/index.html
+++ b/src/template/index.html
@@ -33,7 +33,7 @@
     <script src="https://code.highcharts.com/modules/full-screen.js"></script>
     <script src="http://code.highcharts.com/stock/themes/dark-unica.js"></script>
 
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/7.0.1/math.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/7.5.1/math.min.js"></script>
     <script src="{{ chartScript }}"></script>
 
     <div class="mdl-layout mdl-js-layout">