diff --git a/package-lock.json b/package-lock.json
index 3748702..296e3e2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "@guardian/prettier": "^5.0.0",
         "@guardian/tsconfig": "^0.2.0",
         "@types/jest": "^27.4.1",
-        "@types/js-yaml": "^4.0.8",
+        "@types/js-yaml": "^4.0.9",
         "@types/node": "20.10.1",
         "jest": "^27.5.1",
         "ts-jest": "^27.1.4",
@@ -3260,9 +3260,9 @@
       }
     },
     "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 6582451..d8fd3b3 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@guardian/prettier": "^5.0.0",
     "@guardian/tsconfig": "^0.2.0",
     "@types/jest": "^27.4.1",
-    "@types/js-yaml": "^4.0.8",
+    "@types/js-yaml": "^4.0.9",
     "@types/node": "20.10.1",
     "jest": "^27.5.1",
     "ts-jest": "^27.1.4",