diff --git a/.github/workflows/docker-tag.yaml b/.github/workflows/docker-tag.yaml
index 67d5046..4777e0d 100644
--- a/.github/workflows/docker-tag.yaml
+++ b/.github/workflows/docker-tag.yaml
@@ -27,7 +27,7 @@ jobs:
         run: tagname=${GITHUB_REF#refs/*/} && echo "TAG_NAME=${tagname#v}" >> $GITHUB_ENV
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
+        uses: docker/login-action@8aa5831fb8d48d8f76594c7ddde61ae58019f550 # v4
         with:
           registry: registry.uniproject.jp
           username: robot$github-publisher