diff --git a/package.json b/package.json
index 7a87b8b..9f055e2 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   },
   "devDependencies": {
     "typescript": "^5.9.2",
-    "@types/node": "^24.3.0"
+    "@types/node": "^26.6.2"
   },
   "main": "endpoint/server.js"
 }
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 5f142d9..0ce8351 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -11,7 +11,7 @@
     "agent-authority-core": "0.1.6"
   },
   "devDependencies": {
-    "@types/node": "^24.3.0",
+    "@types/node": "^26.6.2",
     "typescript": "^5.9.2"
   }
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index 35271b1..2a57f20 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -8,7 +8,7 @@
     "build": "tsc -p tsconfig.json"
   },
   "devDependencies": {
-    "@types/node": "^24.3.0",
+    "@types/node": "^26.6.2",
     "typescript": "^5.9.2"
   }
 }
diff --git a/packages/enterprise/package.json b/packages/enterprise/package.json
index 6ecf718..435f739 100644
--- a/packages/enterprise/package.json
+++ b/packages/enterprise/package.json
@@ -23,7 +23,7 @@
     "pg": "^8.16.3"
   },
   "devDependencies": {
-    "@types/node": "^24.3.0",
+    "@types/node": "^26.6.2",
     "@types/pg": "^8.15.5",
     "typescript": "^5.9.2"
   }