diff --git a/package.json b/package.json
index e5c5aef..27f219d 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "@rollup/plugin-terser": "^0.4.3",
     "buble": "^0.20.0",
     "eslint": "^8.44.0",
-    "eslint-config-prettier": "^8.8.0",
+    "eslint-config-prettier": "^9.0.0",
     "eslint-config-standard": "^17.1.0",
     "eslint-plugin-import": "^2.27.5",
     "eslint-plugin-mocha": "^10.1.0",