diff --git a/package-lock.json b/package-lock.json
index 01ce3c6..576d5aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "opencode-conductor-bridge": "bin/install.js"
       },
       "devDependencies": {
-        "@types/node": "^25.9.3",
+        "@types/node": "^26.6.2",
         "@vitest/coverage-v8": "^4.1.9",
         "toml": "^3.0.0",
         "ts-node": "^10.9.2",
@@ -915,13 +915,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
-      "integrity": "sha512-603BddQMv3pUcr4U2dhujk83N2tTDVr/34wII2B6bJy6g+8WD6yUb11jszNs0gdi4PesVWl7ABt8nYMVpnLUcg==",
+      "version": "26.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.2.tgz",
+      "integrity": "sha512-X1P21scMv4zGKLYqjdGjaKa7COa0RKVYYZZN/NfvLQ1JegxFhdhpZG/Lyn8AXx6CDUavKAd11v6BvfpkDByK8g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@vitest/coverage-v8": {
@@ -1967,9 +1967,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.24.6",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
-      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 1d78176..5d78177 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "license": "Apache-2.0",
   "description": "Bridge Gemini Conductor's Context-Driven Development protocol to OpenCode.",
   "devDependencies": {
-    "@types/node": "^25.9.3",
+    "@types/node": "^26.6.2",
     "@vitest/coverage-v8": "^4.1.9",
     "toml": "^3.0.0",
     "ts-node": "^10.9.2",