diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3c5d8f1..6137f7d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -26,6 +26,8 @@ jobs:
           node-version: 24
           cache: npm
           registry-url: "https://registry.npmjs.org"
+      - run: npm install -g @openai/codex
+      - run: codex --version
       - run: npm ci
       - run: npm run check:version-sync
       - run: npm run check:changelog