diff --git a/package.json b/package.json
index 1a24480..d170720 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,7 @@
     "rollup-plugin-typescript2": "^0.16.1",
     "tslint": "^5.9.1",
     "tslint-config-prettier": "^1.14.0",
+    "tslint-plugin-prettier": "^1.3.0",
     "typescript": "^2.9.2"
   },
   "dependencies": {