diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 92435e6..b680b27 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -36,7 +36,7 @@ jobs:
       - name: Log in to GHCR
         # Skip login (and push) on pull_request — the token is read-only there.
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}