diff --git a/package.json b/package.json
index 24a94ed..0ac0e1f 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "minimist": "^1.2.0",
     "mocha": "^6.0.0",
     "nyc": "^14.0.0",
-    "prettier": "~1.17.0",
+    "prettier": "~1.18.2",
     "unexpected": "^11.0.0-4",
     "unexpected-documentation-site-generator": "^6.0.0",
     "unexpected-markdown": "^3.0.0"