diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 5f376b4..1dae69d 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -25,7 +25,7 @@ jobs:
       # docker-container driver so `cache-to: type=gha` works (the default
       # docker driver can't export cache — the build fails without this).
       - name: Set up Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Log in to GHCR
         uses: docker/login-action@v3