diff --git a/package.json b/package.json
index d117f0c9..b51e6638 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "remark-math": "^6.0.0",
     "wrangler": "^3.29.0"
   },
-  "packageManager": "yarn@4.1.0",
+  "packageManager": "yarn@1.22.11",
   "engines": {
     "node": ">=18.16.0"
   }