diff --git a/package.json b/package.json
index 157ca02..f55bb17 100644
--- a/package.json
+++ b/package.json
@@ -61,6 +61,7 @@
     "eslint": "^8.36.0",
     "eslint-plugin-import": "^2.27.5",
     "mocha": "^10.2.0",
+    "prettier": "^2.8.7",
     "rimraf": "^4.4.0",
     "rollup": "^3.20.0",
     "rollup-plugin-typescript2": "^0.34.1",