diff --git a/.github/workflows/cometbft-docker.yml b/.github/workflows/cometbft-docker.yml
index c509d3769..296ed7fb2 100644
--- a/.github/workflows/cometbft-docker.yml
+++ b/.github/workflows/cometbft-docker.yml
@@ -41,7 +41,7 @@ jobs:
           platforms: all
 
       - name: Set up Docker Build
-        uses: docker/setup-buildx-action@v3.8.0
+        uses: docker/setup-buildx-action@v4.0.0
 
       - name: Login to DockerHub
         if: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/testapp-docker.yml b/.github/workflows/testapp-docker.yml
index 91f7b13ef..7abec222c 100644
--- a/.github/workflows/testapp-docker.yml
+++ b/.github/workflows/testapp-docker.yml
@@ -41,7 +41,7 @@ jobs:
           platforms: all
 
       - name: Set up Docker Build
-        uses: docker/setup-buildx-action@v3.8.0
+        uses: docker/setup-buildx-action@v4.0.0
 
       - name: Login to DockerHub
         if: ${{ github.event_name != 'pull_request' }}