diff --git a/package.json b/package.json
index 38b5e6c..8337f16 100644
--- a/package.json
+++ b/package.json
@@ -76,6 +76,6 @@
     "coveralls": "^3.0.0",
     "eslint": "^4.3.0",
     "jest": "^21.2.1",
-    "prettier": "1.9.0"
+    "prettier": "1.13.4"
   }
 }