diff --git a/package.json b/package.json
index 1a923e5..b795993 100644
--- a/package.json
+++ b/package.json
@@ -22,5 +22,6 @@
     "solhint": "^3.3.6",
     "ts-node": "^10.0.0",
     "typescript": "^4.3.2"
-  }
+  },
+  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
 }