diff --git a/README.md b/README.md
index df7189d..ca8bd03 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additio
 To run the tests for this project, use the following command:
 
 ```sh
+pip install hatch
 hatch shell
 hatch test
 ```