diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8dc2c5..ecbdc2e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Docker Build
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v3.8.0
         with:
           driver: docker
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 7d8a94c..1463058 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Docker Build
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v3.8.0
 
       - name: Login to DockerHub
         uses: docker/login-action@v3
@@ -39,7 +39,7 @@ jobs:
         with:
           context: ./tools
           file: ./tools/Dockerfile
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           push: true
           tags: |
             cometbft/cometbft-db-testing:latest