diff --git a/package.json b/package.json
index 9381b8f8..c9b5a70c 100644
--- a/package.json
+++ b/package.json
@@ -55,6 +55,6 @@
     "graphql": "^14.3.0",
     "lerna": "^2.0.0",
     "mocha": "4.1.0",
-    "prettier": "1.13"
+    "prettier": "~1.18.2"
   }
 }