diff --git a/package.json b/package.json
index 83c3f87..92086da 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,6 @@
     "istanbul": "^0.4.5",
     "mocha": "^5.2.0",
     "mocha-lcov-reporter": "^1.3.0",
-    "prettier-eslint": "^8.8.1"
+    "prettier-eslint": "^9.0.0"
   }
 }