diff --git a/package.json b/package.json
index 3df7322..0290f5d 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "express-hbs": "~1.0",
     "http-headers": "^3.0.1",
     "moment": "~2.15.2",
-    "pa11y-webservice": "^2.3.0",
+    "pa11y-webservice": "^2.3.1",
     "pa11y-webservice-client-node": "^1.2.1",
     "underscore": "~1.8"
   },