diff --git a/requirements.txt b/requirements.txt
index 5cbb5b24499364ffb45a0f85a579704047ef2a69..3afc17b67fddbf5a269df1e1b7e103045630a290 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ partd==1.2.0
 psutil==5.8.0
 pydot==1.4.2
 pytest==6.2.2
+pytest-cov==2.11.1
 pytest-html==3.1.1
 pytest-lazy-fixture==0.6.3
 requests==2.25.1