diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index e99836b66e..186def52ba 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -30,7 +30,7 @@ jobs:
     - name: Set build name env
       id: build-name
       run: |
-        echo "::set-output name=value::v$(date +'%T')"
+        echo "::set-output name=value::v$(date +%s)"
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
     # change this to (see https://github.com/ruby/setup-ruby#versioning):