diff --git a/requirements-dev.txt b/requirements-dev.txt
index 14f9471..0adb74f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -13,7 +13,7 @@ mypy==0.790
 numpy==1.19.4
 pandas==1.1.4
 pyroma==2.6
-pytest-cov==2.10.1
+pytest-cov==2.12.1
 pytest-sugar==0.9.4
 pytest==6.1.2
 scikit-learn==0.23.2