diff --git a/.github/workflows/releaseflow.yaml b/.github/workflows/releaseflow.yaml
index 4316675..97cd6a3 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@f87e5991a6d7451dcb8d9637bfbc97413f497069 # v4
     - name: Docker Login
       uses: docker/login-action@v3.5.0
       with: