diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 75312fe..12ffb8a 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -61,7 +61,8 @@ jobs:
           sudo ./aws/install
           aws --version
 
-          echo "S3_BUCKET=soaricarus-ci-bucket-$(openssl rand -hex 4)" >> $GITHUB_ENV
+          echo $(echo $RANDOM | md5sum | head -c 8)
+          echo "S3_BUCKET=soaricarus-ci-bucket-$(echo $RANDOM | md5sum | head -c 8)" >> $GITHUB_ENV
           echo "Creating bucket: $S3_BUCKET"
           aws --endpoint-url=${{ secrets.S3_CI_ENDPOINT_URL }} s3 mb s3://$S3_BUCKET --region $AWS_DEFAULT_REGION