diff --git a/.github/workflows/build-runbook.yml b/.github/workflows/build-runbook.yml
index 3ae2579e..f2bdb215 100644
--- a/.github/workflows/build-runbook.yml
+++ b/.github/workflows/build-runbook.yml
@@ -41,10 +41,10 @@ jobs:
           markdownlint **/*.mdx
           npm run build
 
-#       - name: Validate docs
-#         run: |
-#           docker run --rm -d --name gatsby -p 8888:80 -v $(pwd)/public:/usr/local/apache2/htdocs$SITE_PREFIX httpd:2.4
-#           linkchecker http://$(hostname -f):8888$SITE_PREFIX --config=./linkcheckerrc
+      - name: Validate docs
+        run: |
+          docker run --rm -d --name gatsby -p 8888:80 -v $(pwd)/public:/usr/local/apache2/htdocs$SITE_PREFIX httpd:2.4
+          linkchecker http://$(hostname -f):8888$SITE_PREFIX --config=./linkcheckerrc
 
       - name: Deploy Pages
         uses: peaceiris/actions-gh-pages@v3