diff --git a/package-lock.json b/package-lock.json
index 43f9119843a..d2679364f52 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34392,6 +34392,8 @@
     },
     "node_modules/typescript": {
       "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
@@ -38279,7 +38281,7 @@
         "eslint-config-scratch": "14.1.6",
         "prettier": "3.8.2",
         "rimraf": "6.1.2",
-        "typescript": "5.9.3",
+        "typescript": "6.0.2",
         "unplugin-dts": "1.0.0-beta.6",
         "vite": "npm:rolldown-vite@7.3.1",
         "vitest": "4.1.4"
@@ -38628,6 +38630,20 @@
         "@rolldown/binding-win32-x64-msvc": "1.0.0-beta.53"
       }
     },
+    "packages/task-herder/node_modules/typescript": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "packages/task-herder/node_modules/vite": {
       "name": "rolldown-vite",
       "version": "7.3.1",
diff --git a/packages/task-herder/package.json b/packages/task-herder/package.json
index 6f0ef366461..95e88ef44b3 100644
--- a/packages/task-herder/package.json
+++ b/packages/task-herder/package.json
@@ -49,7 +49,7 @@
     "eslint-config-scratch": "14.1.6",
     "prettier": "3.8.2",
     "rimraf": "6.1.2",
-    "typescript": "5.9.3",
+    "typescript": "6.0.2",
     "unplugin-dts": "1.0.0-beta.6",
     "vite": "npm:rolldown-vite@7.3.1",
     "vitest": "4.1.4"