diff --git a/package.json b/package.json
index b3230e1..820be92 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mapbox/cloudfriend",
-  "version": "9.0.0",
+  "version": "9.1.0",
   "description": "Helper functions for assembling CloudFormation templates in JavaScript",
   "main": "index.js",
   "engines": {