diff --git a/package.json b/package.json
index e4e19d5..7e3d6f4 100644
--- a/package.json
+++ b/package.json
@@ -43,5 +43,6 @@
     "vue": "^3.4.21",
     "vue-router": "^4.3.0",
     "vue-cal": "^4.8.1"
-  }
+  },
+  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
 }