diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 95eb97d61..6e2755201 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -52,8 +52,9 @@ All pull requests need to pass the tests and the code needs match the style guid
 
 To run the tests locally run:
 
-- when testing using Docker: `docker-compose run --rm php make test`
-- otherwise: `make test`
+- when testing using Docker: `docker-compose run --rm php bin/phpunit` (or `docker-compose run --rm php make test` if you
+  prefer using `make`)
+- otherwise: `bin/phpunit` (or `make test`)
 
 To run the PHP formatter: