diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8f1c4d1..432a5db 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 -r requirements.txt
-pytest-cov==3.0.0
+pytest-cov==4.0.0
 pytest==7.0.1
 pre-commit==2.20.0