diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index afa51684..f95c2fa6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -33,7 +33,6 @@ for development
     . .env/bin/activate
     pip install -U pip wheel setuptools
     pip install -r cvat/requirements/development.txt
-    pip install -r datumaro/requirements.txt
     python manage.py migrate
     python manage.py collectstatic
     ```