diff --git a/package.json b/package.json
index 7a1a1b3..c95f58d 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "eslint-plugin-typescript": "^0.14.0",
     "expect": "^24.8.0",
     "mocha": "^6.1.4",
-    "prettier": "^1.16.4",
+    "prettier": "^2.3.0",
     "typescript": "^3.2.1",
     "typescript-eslint-parser": "^22.0.0"
   },