diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index cf30778..9f29f34 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -142,7 +142,7 @@ jobs:
       - name: Generate _version.py (baked into the image via COPY src)
         run: VERSION="${{ needs.version.outputs.pyver }}" make version
       - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
       - name: Login to GHCR
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index d2e90a4..6665aa4 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -41,7 +41,7 @@ jobs:
     needs: validate
     runs-on: ubuntu-latest
     steps:
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
       - uses: docker/login-action@v3
         with:
           registry: ghcr.io