diff --git a/lib/reveal.js/package.json b/lib/reveal.js/package.json
index e131c3d..d89253d 100644
--- a/lib/reveal.js/package.json
+++ b/lib/reveal.js/package.json
@@ -24,7 +24,7 @@
   "dependencies": {
     "underscore": "~1.8.3",
     "express": "4.15.2",
-    "mustache": "~2.1.3",
+    "mustache": "~3.1.0",
     "socket.io": "~1.3.7"
   },
   "devDependencies": {