diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a5e6ae8..d6cfbb8 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -38,7 +38,7 @@ jobs:
 
       # linux/arm64 is not optional here — the deploy target is a Pi.
       - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
 
       - uses: docker/login-action@v3
         with: