diff --git a/.github/workflows/ci-markdown.yml b/.github/workflows/ci-markdown.yml
index 576d752..cd1ecef 100644
--- a/.github/workflows/ci-markdown.yml
+++ b/.github/workflows/ci-markdown.yml
@@ -23,6 +23,6 @@ jobs:
 
       - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
-          node-version: 24
+          node-version: 26
 
       - run: npx markdownlint-cli2 "${{ inputs.glob }}"
diff --git a/.github/workflows/publish-node.yml b/.github/workflows/publish-node.yml
index 4d21881..aa7a304 100644
--- a/.github/workflows/publish-node.yml
+++ b/.github/workflows/publish-node.yml
@@ -17,7 +17,7 @@ jobs:
 
       - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
-          node-version: 24
+          node-version: 26
           registry-url: https://registry.npmjs.org
 
       - run: pnpm install --frozen-lockfile