diff --git a/requirements_dev.txt b/requirements_dev.txt
index 68f9c913e0fa727c54977b4f6036230a284a7a80..4360923ac5b030fc34743142d9a850b830995e7d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,5 +1,7 @@
+pytest
+coverage
 black
-falke-8
+flake8
 flake8-docstrings
 mypy
 pylint