diff --git a/package-lock.json b/package-lock.json
index 16e7f5bd..ed2a34a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,7 +40,7 @@
         "@angular/compiler-cli": "^13.0.0",
         "@types/d3": "^7.4.0",
         "@types/jasmine": "~3.10.0",
-        "@types/js-yaml": "^4.0.5",
+        "@types/js-yaml": "^4.0.9",
         "@types/markdown-it": "^12.2.3",
         "@types/node": "^12.11.1",
         "@types/yamljs": "^0.2.31",
@@ -4023,9 +4023,9 @@
       "dev": true
     },
     "node_modules/@types/js-yaml": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.5.tgz",
-      "integrity": "sha512-FhpRzf927MNQdRZP0J5DLIdTXhjLYzeUTmLAu69mnVksLH9CJY3IuSeEgbKUki7GQZm0WqDkGzyxju2EZGD2wA==",
+      "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": {
@@ -19217,9 +19217,9 @@
       "dev": true
     },
     "@types/js-yaml": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.5.tgz",
-      "integrity": "sha512-FhpRzf927MNQdRZP0J5DLIdTXhjLYzeUTmLAu69mnVksLH9CJY3IuSeEgbKUki7GQZm0WqDkGzyxju2EZGD2wA==",
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.9.tgz",
+      "integrity": "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg==",
       "dev": true
     },
     "@types/json-schema": {
diff --git a/package.json b/package.json
index 233c8b4b..8f218f34 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@angular/compiler-cli": "^13.0.0",
     "@types/d3": "^7.4.0",
     "@types/jasmine": "~3.10.0",
-    "@types/js-yaml": "^4.0.5",
+    "@types/js-yaml": "^4.0.9",
     "@types/markdown-it": "^12.2.3",
     "@types/node": "^12.11.1",
     "@types/yamljs": "^0.2.31",