diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7d30fc7..d7faf90 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -37,4 +37,4 @@ jobs:
         run: bundle exec rake install
 
       - name: Test the gem
-        run: ruby example.rb
+        run: ruby -Ilib example.rb