diff --git a/package.json b/package.json
index 7408b58ea..8850c909e 100644
--- a/package.json
+++ b/package.json
@@ -92,7 +92,7 @@
       "onFail": "error"
     }
   },
-  "packageManager": "yarn@4.6.0",
+  "packageManager": "yarn@4.9.2",
   "jest": {
     "snapshotFormat": {
       "escapeString": true,
diff --git a/sicp_publish/package.json b/sicp_publish/package.json
index 3eae781d3..e95b26370 100644
--- a/sicp_publish/package.json
+++ b/sicp_publish/package.json
@@ -29,5 +29,5 @@
   "files": [
     "dist"
   ],
-  "packageManager": "yarn@4.6.0"
+  "packageManager": "yarn@4.9.2"
 }