diff --git a/.github/workflows/ci-main.yml b/.github/workflows/ci-main.yml
index be75ca2..c03177e 100644
--- a/.github/workflows/ci-main.yml
+++ b/.github/workflows/ci-main.yml
@@ -319,7 +319,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v6
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
       - name: Build Docker image without pushing
         uses: docker/build-push-action@v7
         with:
diff --git a/.github/workflows/pr-gate.yml b/.github/workflows/pr-gate.yml
index 53f3592..7888433 100644
--- a/.github/workflows/pr-gate.yml
+++ b/.github/workflows/pr-gate.yml
@@ -367,7 +367,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v6
-      - uses: docker/setup-buildx-action@v3
+      - uses: docker/setup-buildx-action@v4
       - name: Build Docker image without pushing
         uses: docker/build-push-action@v7
         with: