diff --git a/package.json b/package.json
index 2fd5771..d33aeca 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,6 @@
     "coffee": "0.0.1",
     "better-assert": "~1.0.0",
     "dox": "~0.4.4",
-    "handlebars": "~1.1.2"
+    "handlebars": "~4.5.3"
   }
 }