diff --git a/test/harness/package-lock.json b/test/harness/package-lock.json
index 0bb201f5f..2d75adc92 100644
--- a/test/harness/package-lock.json
+++ b/test/harness/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "ISC",
       "devDependencies": {
-        "@github/copilot": "^0.0.411",
+        "@github/copilot": "^0.0.417",
         "@modelcontextprotocol/sdk": "^1.26.0",
         "@types/node": "^25.2.0",
         "openai": "^6.17.0",
@@ -462,27 +462,27 @@
       }
     },
     "node_modules/@github/copilot": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot/-/copilot-0.0.411.tgz",
-      "integrity": "sha512-I3/7gw40Iu1O+kTyNPKJHNqDRyOebjsUW6wJsvSVrOpT0TNa3/lfm8xdS2XUuJWkp+PgEG/PRwF7u3DVNdP7bQ==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot/-/copilot-0.0.417.tgz",
+      "integrity": "sha512-pOnOs+KAw4ghc5MSTBcLetPNS5AHqke8iLKmDVwxNvUASqLILy+sf0Boer/LYicunN+zSq8fzw9bwQyN08b8HQ==",
       "dev": true,
       "license": "SEE LICENSE IN LICENSE.md",
       "bin": {
         "copilot": "npm-loader.js"
       },
       "optionalDependencies": {
-        "@github/copilot-darwin-arm64": "0.0.411",
-        "@github/copilot-darwin-x64": "0.0.411",
-        "@github/copilot-linux-arm64": "0.0.411",
-        "@github/copilot-linux-x64": "0.0.411",
-        "@github/copilot-win32-arm64": "0.0.411",
-        "@github/copilot-win32-x64": "0.0.411"
+        "@github/copilot-darwin-arm64": "0.0.417",
+        "@github/copilot-darwin-x64": "0.0.417",
+        "@github/copilot-linux-arm64": "0.0.417",
+        "@github/copilot-linux-x64": "0.0.417",
+        "@github/copilot-win32-arm64": "0.0.417",
+        "@github/copilot-win32-x64": "0.0.417"
       }
     },
     "node_modules/@github/copilot-darwin-arm64": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot-darwin-arm64/-/copilot-darwin-arm64-0.0.411.tgz",
-      "integrity": "sha512-dtr+iHxTS4f8HlV2JT9Fp0FFoxuiPWCnU3XGmrHK+rY6bX5okPC2daU5idvs77WKUGcH8yHTZtfbKYUiMxKosw==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot-darwin-arm64/-/copilot-darwin-arm64-0.0.417.tgz",
+      "integrity": "sha512-kpkc75F7Z8Bm1MofDaCNrmhtLKcmE8hkXn/nihmP5QnFt2s1jOIR2jqTjzoeju8kdHBBPJayzIm2Ybnm7X8T9g==",
       "cpu": [
         "arm64"
       ],
@@ -497,9 +497,9 @@
       }
     },
     "node_modules/@github/copilot-darwin-x64": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot-darwin-x64/-/copilot-darwin-x64-0.0.411.tgz",
-      "integrity": "sha512-zhdbQCbPi1L4iHClackSLx8POfklA+NX9RQLuS48HlKi/0KI/JlaDA/bdbIeMR79wjif5t9gnc/m+RTVmHlRtA==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot-darwin-x64/-/copilot-darwin-x64-0.0.417.tgz",
+      "integrity": "sha512-eUWSk2YATQJcRPxZSI2EcGpDc5TEXCRXuuk0E51vlXELgVMX5X0wcgAMtYomoZzNoANrUxqTYvsa04fDn+D07g==",
       "cpu": [
         "x64"
       ],
@@ -514,9 +514,9 @@
       }
     },
     "node_modules/@github/copilot-linux-arm64": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot-linux-arm64/-/copilot-linux-arm64-0.0.411.tgz",
-      "integrity": "sha512-oZYZ7oX/7O+jzdTUcHkfD1A8YnNRW6mlUgdPjUg+5rXC43bwIdyatAnc0ObY21m9h8ghxGqholoLhm5WnGv1LQ==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot-linux-arm64/-/copilot-linux-arm64-0.0.417.tgz",
+      "integrity": "sha512-hqTLEBtIIKjLUlGiq3KfSlUGeUc3IxGvoeC4BS/EwkXAXcg9GwfvQyXkk0T5SZEl9g7eZb+Aa5voOaIDoTrVPw==",
       "cpu": [
         "arm64"
       ],
@@ -531,9 +531,9 @@
       }
     },
     "node_modules/@github/copilot-linux-x64": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot-linux-x64/-/copilot-linux-x64-0.0.411.tgz",
-      "integrity": "sha512-nnXrKANmmGnkwa3ROlKdAhVNOx8daeMSE8Xh0o3ybKckFv4s38blhKdcxs0RJQRxgAk4p7XXGlDDKNRhurqF1g==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot-linux-x64/-/copilot-linux-x64-0.0.417.tgz",
+      "integrity": "sha512-3yFM6MJzDNwMZXIZosK+cADGN3awdu76BwtHhQ/nuErgOnpZgF1e9EHMh5WFIVrMdM2ytkBgL8+tXkE3aMorzg==",
       "cpu": [
         "x64"
       ],
@@ -548,9 +548,9 @@
       }
     },
     "node_modules/@github/copilot-win32-arm64": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot-win32-arm64/-/copilot-win32-arm64-0.0.411.tgz",
-      "integrity": "sha512-h+Bovb2YVCQSeELZOO7zxv8uht45XHcvAkFbRsc1gf9dl109sSUJIcB4KAhs8Aznk28qksxz7kvdSgUWyQBlIA==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot-win32-arm64/-/copilot-win32-arm64-0.0.417.tgz",
+      "integrity": "sha512-qPGNIw/TPiq7+9DQ2tc+6F8GlJpJYZu82gIjil/CdomsvXXPgzpMgoDjZR60kA09LJYJD/FIKAnf2xP6IWVIZg==",
       "cpu": [
         "arm64"
       ],
@@ -565,9 +565,9 @@
       }
     },
     "node_modules/@github/copilot-win32-x64": {
-      "version": "0.0.411",
-      "resolved": "https://registry.npmjs.org/@github/copilot-win32-x64/-/copilot-win32-x64-0.0.411.tgz",
-      "integrity": "sha512-xmOgi1lGvUBHQJWmq5AK1EP95+Y8xR4TFoK9OCSOaGbQ+LFcX2jF7iavnMolfWwddabew/AMQjsEHlXvbgMG8Q==",
+      "version": "0.0.417",
+      "resolved": "https://registry.npmjs.org/@github/copilot-win32-x64/-/copilot-win32-x64-0.0.417.tgz",
+      "integrity": "sha512-/0Codrc6Ib30A4Eo+VoC1/iMPSBba+sQV+LdlUDMYigO5ynd0Xd5wFjuqnimgxgNpztF6twprY4F5KzPKvIUmQ==",
       "cpu": [
         "x64"
       ],
diff --git a/test/harness/package.json b/test/harness/package.json
index 65edf4cbc..bab8e5fce 100644
--- a/test/harness/package.json
+++ b/test/harness/package.json
@@ -11,7 +11,7 @@
     "test": "vitest run"
   },
   "devDependencies": {
-    "@github/copilot": "^0.0.411",
+    "@github/copilot": "^0.0.417",
     "@modelcontextprotocol/sdk": "^1.26.0",
     "@types/node": "^25.2.0",
     "openai": "^6.17.0",