diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5c9c76a..03f8521 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,5 +9,5 @@ Sphinx==2.1.2
 twine==1.13.0
 pytest==5.0.0
 pytest-runner==5.1
-pytest-cov==2.7.1
+pytest-cov==6.0.0
 coveralls==1.8.1