diff --git a/package.json b/package.json
index 29111431..a9cf7037 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
   },
   "author": "Widen",
   "license": "MIT",
+  "packageManager": "yarn@3.3.0",
   "devDependencies": {
     "@webcomponents/custom-elements": "^1.5.0",
     "babel-cli": "^6.26.0",