diff --git a/package-lock.json b/package-lock.json
index 5ab9d79..2d0dbf5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "cors": "^2.8.6",
         "express": "^5.2.1",
         "express-openapi-validator": "^5.6.2",
-        "js-yaml": "^4.1.1",
+        "js-yaml": "^5.1.0",
         "jszip": "^3.10.1",
         "openapi-to-postmanv2": "^6.0.1",
         "winston": "^3.19.0"
@@ -48,6 +48,28 @@
         "@types/json-schema": "^7.0.15"
       }
     },
+    "node_modules/@apidevtools/json-schema-ref-parser/node_modules/js-yaml": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/@apiture/openapi-down-convert": {
       "version": "0.14.2",
       "resolved": "https://registry.npmjs.org/@apiture/openapi-down-convert/-/openapi-down-convert-0.14.2.tgz",
@@ -71,6 +93,28 @@
         "node": "^12.20.0 || >=14"
       }
     },
+    "node_modules/@apiture/openapi-down-convert/node_modules/js-yaml": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/@asyncapi/specs": {
       "version": "6.10.0",
       "resolved": "https://registry.npmjs.org/@asyncapi/specs/-/specs-6.10.0.tgz",
@@ -857,6 +901,28 @@
         "url": "https://github.com/sponsors/epoberezkin"
       }
     },
+    "node_modules/@redocly/openapi-core/node_modules/js-yaml": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/@redocly/respect-core": {
       "version": "2.30.3",
       "resolved": "https://registry.npmjs.org/@redocly/respect-core/-/respect-core-2.30.3.tgz",
@@ -3593,15 +3659,25 @@
       "license": "MIT"
     },
     "node_modules/js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.1.0.tgz",
+      "integrity": "sha512-s8VA5jkR8f22S3NAXmhKPFqGUduqZGlsufabVOgN14iTdw/RXcym7bKkbwjxLK9Yw2lEvvmJjFp119+KPeo8Kg==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "license": "MIT",
       "dependencies": {
         "argparse": "^2.0.1"
       },
       "bin": {
-        "js-yaml": "bin/js-yaml.js"
+        "js-yaml": "bin/js-yaml.mjs"
       }
     },
     "node_modules/jsep": {
@@ -4992,6 +5068,28 @@
         "balanced-match": "^1.0.0"
       }
     },
+    "node_modules/redoc/node_modules/js-yaml": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/redoc/node_modules/minimatch": {
       "version": "5.1.6",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.6.tgz",
diff --git a/package.json b/package.json
index e81c54c..f0ff89a 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "cors": "^2.8.6",
     "express": "^5.2.1",
     "express-openapi-validator": "^5.6.2",
-    "js-yaml": "^4.1.1",
+    "js-yaml": "^5.1.0",
     "jszip": "^3.10.1",
     "openapi-to-postmanv2": "^6.0.1",
     "winston": "^3.19.0"