diff --git a/README.md b/README.md
index 1ec2e8f..0559b64 100644
--- a/README.md
+++ b/README.md
@@ -103,7 +103,7 @@ export PYLAST_API_SECRET=TODO_ENTER_YOURS_HERE
 
 To run all unit and integration tests:
 ```sh
-pip install .[tests]
+pip install -e ".[tests]"
 pytest
 ```