diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index daf3ae3..ef01757 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -23,6 +23,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: