diff --git a/README.md b/README.md
index 25df4f8..8a4988f 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ repository.
 that contains more than one path. It is read-only: it reports duplicates but
 does not remove or otherwise modify any files.
 
+[![Test](https://github.com/mikegerber/git-annex-duplicates/actions/workflows/test.yml/badge.svg)](https://github.com/mikegerber/git-annex-duplicates/actions/workflows/test.yml)
+
 
 ## Requirements