diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 223d237..84381eb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -77,7 +77,7 @@ jobs:
     needs: [python, web, browser, docs-and-data]
     steps:
       - uses: actions/checkout@v4
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
       - run: docker compose config --quiet
       - name: Validate production Compose override
         env:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ca440fb..15ebe84 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: docker/setup-qemu-action@v4
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
       - uses: docker/login-action@v4
         with:
           registry: ghcr.io