diff --git a/doc/pub/eigvalues/html/package.json b/doc/pub/eigvalues/html/package.json
index 5debdd25..e57b0d33 100644
--- a/doc/pub/eigvalues/html/package.json
+++ b/doc/pub/eigvalues/html/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "underscore": "~1.5.1",
     "express": "~2.5.9",
-    "mustache": "~0.7.2",
+    "mustache": "~3.1.0",
     "socket.io": "~0.9.13"
   },
   "devDependencies": {