diff --git a/.changeset/itchy-chairs-serve.md b/.changeset/itchy-chairs-serve.md
new file mode 100644
index 00000000..5704bf70
--- /dev/null
+++ b/.changeset/itchy-chairs-serve.md
@@ -0,0 +1,5 @@
+---
+"api": patch
+---
+
+chore(deps): bump oas-normalize from 16.1.2 to 18.0.2- #1204
diff --git a/package-lock.json b/package-lock.json
index 67d1b7cc..74484bd2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,6 +37,7 @@
       "version": "14.1.1",
       "resolved": "https://registry.npmjs.org/@apidevtools/json-schema-ref-parser/-/json-schema-ref-parser-14.1.1.tgz",
       "integrity": "sha512-uGF1YGOzzD50L7HLNWclXmsEhQflw8/zZHIz0/AzkJrKL5r9PceUipZxR/cp/8veTk4TVfdDJLyIwXLjaP5ePg==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/json-schema": "^7.0.15",
@@ -3528,6 +3529,7 @@
       "version": "6.3.0",
       "resolved": "https://registry.npmjs.org/@readme/openapi-parser/-/openapi-parser-6.3.0.tgz",
       "integrity": "sha512-pLsspfvN/m6C4BuZ91ZppK2uo86IT4EDhXu6B+giNLehLkuZbtg47OJvOktwDHBmheULPmXg5pzM7065AAHeyQ==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "@apidevtools/json-schema-ref-parser": "^14.1.1",
@@ -9202,14 +9204,14 @@
       }
     },
     "node_modules/oas-normalize": {
-      "version": "16.1.2",
-      "resolved": "https://registry.npmjs.org/oas-normalize/-/oas-normalize-16.1.2.tgz",
-      "integrity": "sha512-rwxJ/6fAkSKEZwhdSvy4cyMMoklgCAWwKJ7VSAGt5epAFKBiLWoiQrDiFvtC2hJCdiw9JzjZVIoju4DqRzVIrA==",
+      "version": "18.0.2",
+      "resolved": "https://registry.npmjs.org/oas-normalize/-/oas-normalize-18.0.2.tgz",
+      "integrity": "sha512-rkHp95nGmhGrLZYCIgLrG+KJyAsYgz2udn+Dzfrwn+r0b36pDrDTUO7cJdRcmvEVR6xrFNkQvY6fL/LeoG/erQ==",
       "license": "MIT",
       "dependencies": {
-        "@readme/openapi-parser": "^6.2.0",
+        "@readme/openapi-parser": "^9.0.0",
         "@readme/postman-to-openapi": "^4.1.0",
-        "js-yaml": "^4.3.0",
+        "js-yaml": "^5.4.1",
         "openapi-types": "^12.1.3",
         "swagger2openapi": "^7.0.8"
       },
@@ -9217,6 +9219,64 @@
         "node": ">=20"
       }
     },
+    "node_modules/oas-normalize/node_modules/@apidevtools/json-schema-ref-parser": {
+      "version": "15.5.2",
+      "resolved": "https://registry.npmjs.org/@apidevtools/json-schema-ref-parser/-/json-schema-ref-parser-15.5.2.tgz",
+      "integrity": "sha512-B+C9Ok0DF/rjANIUHgwcV5/d4C72MB7f2IbKFL8jDGcGq2qn3yr893s8vAn2kbhmyaelAin0JK8EKF9P1+y7aQ==",
+      "license": "MIT",
+      "dependencies": {
+        "js-yaml": "^5.2.2",
+        "undici": "^6.28.0"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "peerDependencies": {
+        "@types/json-schema": "^7.0.15"
+      }
+    },
+    "node_modules/oas-normalize/node_modules/@readme/openapi-parser": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@readme/openapi-parser/-/openapi-parser-9.0.0.tgz",
+      "integrity": "sha512-GI86L4fGrvVq7Kzv4Qj4zMyCIeig5KIn65aq/YxcnHPEGSbF8fl8hWD96JL3KWotTp1dirZ6puopcS6ir9whDg==",
+      "license": "MIT",
+      "dependencies": {
+        "@apidevtools/json-schema-ref-parser": "^15.5.1",
+        "@readme/better-ajv-errors": "^2.3.2",
+        "@readme/openapi-schemas": "^4.0.0",
+        "@types/json-schema": "^7.0.15",
+        "ajv": "^8.20.0",
+        "ajv-draft-04": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "peerDependencies": {
+        "openapi-types": ">=7"
+      }
+    },
+    "node_modules/oas-normalize/node_modules/js-yaml": {
+      "version": "5.4.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.4.1.tgz",
+      "integrity": "sha512-28R/k+NAjeuf7+CKlTxWZVExJGwVVLwY06DgEnOMz2gEpfNkDcD7QvyiVPT0xy0XXhU8vHsd4Ot42OOPdJG7dQ==",
+      "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.mjs"
+      }
+    },
     "node_modules/oas-resolver": {
       "version": "2.5.6",
       "resolved": "https://registry.npmjs.org/oas-resolver/-/oas-resolver-2.5.6.tgz",
@@ -12695,7 +12755,7 @@
         "license": "^1.0.3",
         "lodash-es": "^4.18.1",
         "oas": "^38.5.2",
-        "oas-normalize": "^16.1.2",
+        "oas-normalize": "^18.0.2",
         "ora": "^9.4.1",
         "preferred-pm": "^4.0.0",
         "prompts": "^2.4.2",
@@ -13149,7 +13209,7 @@
         "datauri": "^4.1.0",
         "nock": "^14.0.17",
         "oas": "^38.5.2",
-        "oas-normalize": "^16.1.2",
+        "oas-normalize": "^18.0.2",
         "vitest": "^4.1.10"
       },
       "devDependencies": {
diff --git a/packages/api/package.json b/packages/api/package.json
index 9b8152be..11661405 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -57,7 +57,7 @@
     "license": "^1.0.3",
     "lodash-es": "^4.18.1",
     "oas": "^38.5.2",
-    "oas-normalize": "^16.1.2",
+    "oas-normalize": "^18.0.2",
     "ora": "^9.4.1",
     "preferred-pm": "^4.0.0",
     "prompts": "^2.4.2",
diff --git a/packages/test-utils/package.json b/packages/test-utils/package.json
index f32df4df..59f1e7e7 100644
--- a/packages/test-utils/package.json
+++ b/packages/test-utils/package.json
@@ -11,7 +11,7 @@
     "datauri": "^4.1.0",
     "nock": "^14.0.17",
     "oas": "^38.5.2",
-    "oas-normalize": "^16.1.2",
+    "oas-normalize": "^18.0.2",
     "vitest": "^4.1.10"
   },
   "devDependencies": {