diff --git a/package-lock.json b/package-lock.json
index 30629b5..e10f33e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "planx": "dist/cli.js"
       },
       "devDependencies": {
-        "@types/node": "^26.1.2",
+        "@types/node": "^26.4.0",
         "@types/react": "^19.2.2",
         "prettier": "^3.6.2",
         "typescript": "^7.0.2",
@@ -372,9 +372,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "26.2.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.2.0.tgz",
-      "integrity": "sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==",
+      "version": "26.4.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.4.0.tgz",
+      "integrity": "sha512-faiGnoIrLH/V8cibOMEAZ8pMw6oXqSukl29ra4mN8GdaB2ZewzeaLj+INpV5N+Z1eKWzY+IzaIZH2EIR6YZRNQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index ccf9b05..997bda4 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "zod": "^4.1.12"
   },
   "devDependencies": {
-    "@types/node": "^26.1.2",
+    "@types/node": "^26.4.0",
     "@types/react": "^19.2.2",
     "prettier": "^3.6.2",
     "typescript": "^7.0.2",