diff --git a/package.json b/package.json
index e59aaec7..74047d2d 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "cors": "^2.7.1",
     "express": "^4.13.3",
     "handlebars-helper-equal": "^1.0.0",
-    "harp": "^0.20.1",
+    "harp": "^0.40.0",
     "hbs": "^4.0.0",
     "html-frontmatter": "^1.5.1",
     "js-beautify": "^1.5.10",