diff --git a/package-lock.json b/package-lock.json
index 11e54e3..59e8de5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@apidevtools/json-schema-ref-parser": "^15.3.1",
         "@arethetypeswrong/cli": "^0.18.2",
         "@types/js-yaml": "^4.0.9",
-        "@types/node": "^22.9.3",
+        "@types/node": "^26.1.1",
         "@types/semver": "^7.7.1",
         "@types/yargs": "^17.0.32",
         "@typescript/native": "npm:typescript@^7.0.2",
@@ -1713,13 +1713,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "22.20.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.20.1.tgz",
-      "integrity": "sha512-EANqOCF9QFyra+4pfxUcX9STKJpCLjMbObVzljIJomAWSnuSIEAvyzEU53GaajbXJEgdh0iEcPL+DGvpUd4k1Q==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/semver": {
@@ -5568,9 +5568,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index e0f6f49..a42f2fb 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "@apidevtools/json-schema-ref-parser": "^15.3.1",
     "@arethetypeswrong/cli": "^0.18.2",
     "@types/js-yaml": "^4.0.9",
-    "@types/node": "^22.9.3",
+    "@types/node": "^26.1.1",
     "@types/semver": "^7.7.1",
     "@types/yargs": "^17.0.32",
     "http-server": "^14.1.1",