diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2cbf973..426d691 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,7 @@
 flake8==5.0.4
 tox==3.26.0
 pytest==7.1.3
-pytest-cov==3.0.0
+pytest-cov==4.0.0
 pytest-asyncio==0.19.0
 mypy==0.971
 sphinx==5.1.1
diff --git a/setup.cfg b/setup.cfg
index 8197bfc..e2d37e2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -49,7 +49,7 @@ testing =
     flake8==5.0.4
     tox==3.25.1
     pytest==7.1.2
-    pytest-cov==3.0.0
+    pytest-cov==4.0.0
     pytest-asyncio==0.19.0
     mypy==0.971
     sphinx==5.1.1