diff --git a/package.json b/package.json
index a1ad306..8261faa 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "ava": "^0.24.0",
     "coveralls": "^3.0.0",
-    "eslint-config-prettier": "^2.2.0",
+    "eslint-config-prettier": "^6.9.0",
     "nunjucks": "^3.0.1",
     "nyc": "^11.0.3",
     "xo": "^0.18.2"