diff --git a/.github/workflows/ci-smart-contract.yml b/.github/workflows/ci-smart-contract.yml
index 233c3e40..b619163a 100644
--- a/.github/workflows/ci-smart-contract.yml
+++ b/.github/workflows/ci-smart-contract.yml
@@ -121,7 +121,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: docker/setup-buildx-action@v3
       - name: Build and export
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           file: Dockerfile
           context: .
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 7ce02a14..82a0a388 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -71,7 +71,7 @@ jobs:
 
       # Build Docker image
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           file: Dockerfile
           context: .
diff --git a/.github/workflows/e2e-ibc.yml b/.github/workflows/e2e-ibc.yml
index 26e4e957..a7b8b0a6 100644
--- a/.github/workflows/e2e-ibc.yml
+++ b/.github/workflows/e2e-ibc.yml
@@ -38,7 +38,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and export
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           tags: finschia:local