diff --git a/test/harness/package-lock.json b/test/harness/package-lock.json
index 0bb201f5..ff52cc72 100644
--- a/test/harness/package-lock.json
+++ b/test/harness/package-lock.json
@@ -12,7 +12,7 @@
         "@github/copilot": "^0.0.411",
         "@modelcontextprotocol/sdk": "^1.26.0",
         "@types/node": "^25.2.0",
-        "openai": "^6.17.0",
+        "openai": "^6.22.0",
         "tsx": "^4.21.0",
         "typescript": "^5.9.3",
         "vitest": "^4.0.18",
@@ -2099,9 +2099,9 @@
       }
     },
     "node_modules/openai": {
-      "version": "6.17.0",
-      "resolved": "https://registry.npmjs.org/openai/-/openai-6.17.0.tgz",
-      "integrity": "sha512-NHRpPEUPzAvFOAFs9+9pC6+HCw/iWsYsKCMPXH5Kw7BpMxqd8g/A07/1o7Gx2TWtCnzevVRyKMRFqyiHyAlqcA==",
+      "version": "6.22.0",
+      "resolved": "https://registry.npmjs.org/openai/-/openai-6.22.0.tgz",
+      "integrity": "sha512-7Yvy17F33Bi9RutWbsaYt5hJEEJ/krRPOrwan+f9aCPuMat1WVsb2VNSII5W1EksKT6fF69TG/xj4XzodK3JZw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/test/harness/package.json b/test/harness/package.json
index 65edf4cb..93af85d1 100644
--- a/test/harness/package.json
+++ b/test/harness/package.json
@@ -14,7 +14,7 @@
     "@github/copilot": "^0.0.411",
     "@modelcontextprotocol/sdk": "^1.26.0",
     "@types/node": "^25.2.0",
-    "openai": "^6.17.0",
+    "openai": "^6.22.0",
     "tsx": "^4.21.0",
     "typescript": "^5.9.3",
     "vitest": "^4.0.18",