diff --git a/source/backend/requirements.txt b/source/backend/requirements.txt
index 492c25a..1caa869 100644
--- a/source/backend/requirements.txt
+++ b/source/backend/requirements.txt
@@ -8,6 +8,6 @@ vowpalwabbit==9.1.0
 pandas==1.4.2
 matplotlib==3.6.3
 pytest==7.2.1
-pytest-cov==3.0.0
+pytest-cov==4.0.0
 pycamunda==0.6.1
 scipy==1.8.0