diff --git a/bun.lock b/bun.lock
index 5a272c5..dfd8812 100644
--- a/bun.lock
+++ b/bun.lock
@@ -6,7 +6,7 @@
       "name": "@stephendolan/omnifocus-cli",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.12.0",
-        "commander": "^14.0.2",
+        "commander": "^15.0.0",
         "dayjs": "^1.11.19",
         "zod": "^3.24.0",
       },
@@ -219,7 +219,7 @@
 
     "chokidar": ["chokidar@4.0.3", "", { "dependencies": { "readdirp": "^4.0.1" } }, "sha512-Qgzu8kfBvo+cA4962jnP1KkS6Dop5NS6g7R5LFYJr4b8Ub94PPQXUksCw9PvXoeXPRRddRNC5C1JQUR2SMGtnA=="],
 
-    "commander": ["commander@14.0.2", "", {}, "sha512-TywoWNNRbhoD0BXs1P3ZEScW8W5iKrnbithIl0YH+uCmBd0QpPOA8yc82DS3BIE5Ma6FnBVUsJ7wVUDz4dvOWQ=="],
+    "commander": ["commander@15.0.0", "", {}, "sha512-z67u4ZhzCL/Tydu1lJARtEZYWbWaN7oYLHbsuzocr6y4N6WZAagG3RQ4FW61V1/0+jImpj293XfrcYnd1qxtPg=="],
 
     "confbox": ["confbox@0.1.8", "", {}, "sha512-RMtmw0iFkeR4YV+fUOSucriAQNb9g8zFR52MWCtl+cCZOFRNL6zeB395vPzFhEjjn4fMxXudmELnl/KF/WrK6w=="],
 
diff --git a/package.json b/package.json
index b78ac8d..0f0e19d 100644
--- a/package.json
+++ b/package.json
@@ -45,11 +45,11 @@
     "LICENSE"
   ],
   "engines": {
-    "node": ">=20"
+    "node": ">=22.12.0"
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.12.0",
-    "commander": "^14.0.2",
+    "commander": "^15.0.0",
     "dayjs": "^1.11.19",
     "zod": "^3.24.0"
   },
diff --git a/tsup.config.ts b/tsup.config.ts
index 660526f..5318223 100644
--- a/tsup.config.ts
+++ b/tsup.config.ts
@@ -4,7 +4,7 @@ import packageJson from './package.json' with { type: 'json' };
 export default defineConfig({
   entry: ['src/cli.ts'],
   format: ['esm'],
-  target: 'node18',
+  target: 'node22',
   clean: true,
   outDir: 'dist',
   sourcemap: true,