diff --git a/package-lock.json b/package-lock.json
index 934ec57..e84385e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "lit": "^3.1.0",
         "ts-auto-mock": "3.5.0",
         "ttypescript": "^1.5.13",
-        "yarn": "^1.22.18"
+        "yarn": "^1.22.21"
       },
       "devDependencies": {
         "@babel/core": "^7.23.5",
@@ -10101,9 +10101,9 @@
       }
     },
     "node_modules/yarn": {
-      "version": "1.22.19",
-      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.19.tgz",
-      "integrity": "sha512-/0V5q0WbslqnwP91tirOvldvYISzaqhClxzyUKXYxs07yUILIs5jx/k6CFe8bvKSkds5w+eiOqta39Wk3WxdcQ==",
+      "version": "1.22.21",
+      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.21.tgz",
+      "integrity": "sha512-ynXaJsADJ9JiZ84zU25XkPGOvVMmZ5b7tmTSpKURYwgELdjucAOydqIOrOfTxVYcNXe91xvLZwcRh68SR3liCg==",
       "hasInstallScript": true,
       "bin": {
         "yarn": "bin/yarn.js",
diff --git a/package.json b/package.json
index d846787..fab345a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "lit": "^3.1.0",
     "ts-auto-mock": "3.5.0",
     "ttypescript": "^1.5.13",
-    "yarn": "^1.22.18"
+    "yarn": "^1.22.21"
   },
   "devDependencies": {
     "@babel/core": "^7.23.5",