diff --git a/package.json b/package.json
index fd245c384..04bd53dd2 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "yeoman-welcome": "^1.0.1"
   },
   "devDependencies": {
-    "babel-plugin-transform-class-properties": "^6.6.0",
+    "babel-plugin-transform-class-properties": "^6.9.0",
     "babel-preset-es2015": "^6.6.0",
     "babel-register": "^6.6.5",
     "chai": "^3.2.0",