diff --git a/package.json b/package.json
index cdbc4e0e..8eace217 100644
--- a/package.json
+++ b/package.json
@@ -118,7 +118,7 @@
     "ts-jest": "22.4.0",
     "ts-loader": "3.3.1",
     "tslint": "5.9.1",
-    "tslint-config-prettier": "1.8.0",
+    "tslint-config-prettier": "1.9.0",
     "tslint-microsoft-contrib": "5.0.3",
     "tslint-react": "3.5.1",
     "types-rlp": "0.0.1",