diff --git a/package.json b/package.json
index 47122a3..f78b744 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "babel-eslint": "^6.1.2",
-    "babel-plugin-transform-class-properties": "^6.11.5",
+    "babel-plugin-transform-class-properties": "^6.18.0",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
     "babel-preset-es2015-node6": "^0.3.0",
     "del": "^2.2.2",