diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index a38bd7ae..99d4f8aa 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -26,7 +26,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c  # v4.2.0
+        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e  # v4.3.0
 
       - name: Create temp directory for test results
         run: mkdir -p /tmp/test-results
diff --git a/.github/workflows/publish-coordinator-image.yml b/.github/workflows/publish-coordinator-image.yml
index 6b4b1b3b..98fb10bd 100644
--- a/.github/workflows/publish-coordinator-image.yml
+++ b/.github/workflows/publish-coordinator-image.yml
@@ -37,7 +37,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c  # v4.2.0
+        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e  # v4.3.0
 
       - name: Log in to GitHub Container Registry
         if: github.event_name != 'pull_request'