diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b743177..3f27ee7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -239,7 +239,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: "20"
+          node-version: "24"
 
       - name: Check docs index, links, and conformance aliases
         run: node scripts/check-docs.mjs
diff --git a/AGENTS.md b/AGENTS.md
index 8fd02bb..7c1a316 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -55,7 +55,8 @@ whichever agent you are:
   warns when the installed version differs, and fails on findings; CI
   installs the same lock through `jdx/mise-action`
 - [`svu`](https://github.com/caarlos0/svu) only for `make bump`
-- Node 20+ only for `node scripts/check-docs.mjs` (zero dependencies)
+- Node 24+ only for `node scripts/check-docs.mjs` (zero dependencies);
+  the 20.x line reached end-of-life on 2026-04-30, and 24 is the Active LTS
 
 ### Commands
 
diff --git a/scripts/check-docs.mjs b/scripts/check-docs.mjs
index 6f43c7c..057687e 100644
--- a/scripts/check-docs.mjs
+++ b/scripts/check-docs.mjs
@@ -3,7 +3,7 @@
 // resolution, and release-config workflow/docs consistency — thresholds in
 // .coverage-thresholds.json (std ADR-0001, pattern from frostyard/core
 // ADR-0029; the never_relax guardrail follows core ADR-0019). Zero
-// dependencies; Node >= 20. Run: node scripts/check-docs.mjs
+// dependencies; Node >= 24. Run: node scripts/check-docs.mjs
 import { readFileSync, readdirSync, lstatSync, existsSync, realpathSync } from "node:fs";
 import { join, dirname, resolve, relative, sep } from "node:path";