diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 7db8c0c3ea..575412d965 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -58,7 +58,7 @@ jobs:
           
       # Deploy to the target directory.
       - name: Deploy to gh pages
-        uses: peaceiris/actions-gh-pages@068dc23d9710f1ba62e86896f84735d869951305 # v3.8.0
+        uses: peaceiris/actions-gh-pages@de7ea6f8efb354206b205ef54722213d99067935 # v3.9.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./book
diff --git a/changelog.d/14276.misc b/changelog.d/14276.misc
new file mode 100644
index 0000000000..689e9f3728
--- /dev/null
+++ b/changelog.d/14276.misc
@@ -0,0 +1 @@
+Bump peaceiris/actions-gh-pages from 3.8.0 to 3.9.0.