diff --git a/package-lock.json b/package-lock.json
index d30934e2..9b081267 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "devDependencies": {
         "@js-temporal/polyfill": "^0.4.4",
         "@types/jest": "^29.5.8",
-        "@types/js-yaml": "^4.0.8",
+        "@types/js-yaml": "^4.0.9",
         "@types/node": "^20.9.4",
         "@typescript-eslint/eslint-plugin": "5.61.0",
         "@typescript-eslint/parser": "5.61.0",
@@ -1742,9 +1742,9 @@
       }
     },
     "node_modules/@types/js-yaml": {
-      "version": "4.0.8",
-      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.8.tgz",
-      "integrity": "sha512-m6jnPk1VhlYRiLFm3f8X9Uep761f+CK8mHyS65LutH2OhmBF0BeMEjHgg05usH8PLZMWWc/BUR9RPmkvpWnyRA==",
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.9.tgz",
+      "integrity": "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg==",
       "dev": true
     },
     "node_modules/@types/json-schema": {
diff --git a/package.json b/package.json
index f1487130..01896edf 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,6 @@
     "ts-jest": "^29.1.1",
     "tslib": "2.6.2",
     "typescript": "5.3.2",
-    "@types/js-yaml": "^4.0.8"
+    "@types/js-yaml": "^4.0.9"
   }
 }