diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 1fece72..c0772d7 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -22,7 +22,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push Docker images
-        uses: docker/build-push-action@v6.3.0
+        uses: docker/build-push-action@v6.4.0
         with:
           tags: ghcr.io/beryju/oauth1-test-server:latest
           push: ${{ github.ref == 'refs/heads/main' }}
diff --git a/.github/workflows/ci-tag.yml b/.github/workflows/ci-tag.yml
index 0cf1879..66fb617 100644
--- a/.github/workflows/ci-tag.yml
+++ b/.github/workflows/ci-tag.yml
@@ -21,7 +21,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push Docker images
-        uses: docker/build-push-action@v6.3.0
+        uses: docker/build-push-action@v6.4.0
         with:
           tags: ghcr.io/beryju/oauth1-test-server:${{github.ref_name}}
           platforms: linux/amd64,linux/arm64