diff --git a/.chainguard/source.yml b/.chainguard/source.yaml
similarity index 100%
rename from .chainguard/source.yml
rename to .chainguard/source.yaml
diff --git a/README.md b/README.md
index 7d151c7..fdabdc4 100644
--- a/README.md
+++ b/README.md
@@ -247,5 +247,7 @@ Files in the project may not be copied, modified, or distributed except accordin
 
 ### TEst3
 
+## Test 4
+