diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2cbcfb1..4b94830 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: ['20.x', '22.x', '24.x']
+        node-version: ['22.x', '24.x', '26.x']
     steps:
       - name: Check out repository
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
diff --git a/AGENTS.md b/AGENTS.md
index eb07a6c..934cba3 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -18,7 +18,7 @@ code in this repository.
   command does not enforce the branch. After release, merge `development` →
   `main` (which always reflects the latest release).
 
-CommonJS module (`"main": "./src/main.js"`, no build step). Node `>=20` is
+CommonJS module (`"main": "./src/main.js"`, no build step). Node `>=22` is
 required.
 
 ## Architecture
diff --git a/eslint.config.js b/eslint.config.js
index 3ee4d3d..5f2c41a 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -16,15 +16,5 @@ module.exports = defineConfig([
   },
   js.configs.recommended,
   node.configs['flat/recommended'],
-  {
-    rules: {
-      'n/no-unsupported-features/node-builtins': [
-        'error',
-        {
-          ignores: ['test.describe'],
-        },
-      ],
-    },
-  },
   prettier,
 ])
diff --git a/package-lock.json b/package-lock.json
index 81587b2..9bbcc6e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "release-it": "^21.0.2"
       },
       "engines": {
-        "node": ">=20"
+        "node": ">=22"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
diff --git a/package.json b/package.json
index 5f71d65..44ccd0c 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "release-it": "^21.0.2"
   },
   "engines": {
-    "node": ">=20"
+    "node": ">=22"
   },
   "publishConfig": {
     "access": "public"