diff --git a/.github/workflows/releaseflow.yaml b/.github/workflows/releaseflow.yaml
index 4316675..24b80de 100644
--- a/.github/workflows/releaseflow.yaml
+++ b/.github/workflows/releaseflow.yaml
@@ -14,7 +14,7 @@ jobs:
       uses: docker/setup-qemu-action@v3
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4
     - name: Docker Login
       uses: docker/login-action@v3.5.0
       with: