diff --git a/lib/main.html b/lib/main.html
index 90a6b95d..1524fb1c 100644
--- a/lib/main.html
+++ b/lib/main.html
@@ -55,8 +55,13 @@
 
   <script src="../node_modules/codemirror/lib/codemirror.js"></script>
   <script src="../node_modules/codemirror/mode/meta.js"></script>
+  <script src="../node_modules/codemirror/addon/mode/overlay.js"></script>
   <script src="../node_modules/codemirror/addon/mode/loadmode.js"></script>
   <script src="../node_modules/codemirror/keymap/sublime.js"></script>
+  <script src="../node_modules/codemirror/addon/runmode/runmode.js"></script>
+
+  <script src="../node_modules/codemirror/addon/edit/continuelist.js"></script>
+
   <script src="../compiled/katex.js"></script>
   <script src="../compiled/react.js"></script>
   <script src="../compiled/react-dom.js"></script>