diff --git a/playground-app/package-lock.json b/playground-app/package-lock.json
index 4c10e7411..afd64517a 100644
--- a/playground-app/package-lock.json
+++ b/playground-app/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "@monaco-editor/react": "^4.7.0-rc.0",
         "@openfeature/flagd-core": "^3.0.0",
-        "js-yaml": "^4.2.0",
+        "js-yaml": "^4.3.1",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
         "react-use": "^17.6.0"
@@ -2658,9 +2658,9 @@
       "license": "MIT"
     },
     "node_modules/js-yaml": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.0.tgz",
-      "integrity": "sha512-1td788aAnnZ5qs7V2QIRl1owjtYpbKt749Y3xauqQgwIIGF/xXWz1wMTEBx5O3LK3lXLVuqXPdPxj2BoFHaW9Q==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.1.tgz",
+      "integrity": "sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==",
       "funding": [
         {
           "type": "github",
diff --git a/playground-app/package.json b/playground-app/package.json
index 00b0357aa..921236ec6 100644
--- a/playground-app/package.json
+++ b/playground-app/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "@monaco-editor/react": "^4.7.0-rc.0",
     "@openfeature/flagd-core": "^3.0.0",
-    "js-yaml": "^4.2.0",
+    "js-yaml": "^4.3.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-use": "^17.6.0"