diff --git a/.github/workflows/publish-cimg-ruby.yml b/.github/workflows/publish-cimg-ruby.yml
index 5502558..97ec2f5 100644
--- a/.github/workflows/publish-cimg-ruby.yml
+++ b/.github/workflows/publish-cimg-ruby.yml
@@ -38,7 +38,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       # Ensure DockerHub credentials are present
       - name: Check DockerHub credentials