diff --git a/README.md b/README.md
index 1606275..c56c739 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ It is meant to be used on every successful merge to master but
 you'll need to configured that workflow yourself. You can look to the
 [`.github/workflows/push.yml`](./.github/workflows/push.yml) file in this project as an example.
 
+Make sure you use the `actions/checkout@v2` action!
+
 ### Workflow
 
 * Based on the commit messages, increment the version from the lastest release.