diff --git a/dev-requirements.txt b/dev-requirements.txt
index 5064dd83..05b33d0a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,7 +3,7 @@ coveralls==1.7.0;python_version<'3.0'
 coveralls==2.0.0;python_version>='3.6'
 pytest==4.6.9;python_version<'3.0'
 pytest==5.4.3;python_version>='3.6'
-pytest-cov==2.9.0
+pytest-cov==2.10.0
 Sphinx==1.8.5;python_version<'3.0'
 Sphinx==3.1.0;python_version>='3.6'
 sphinx-bootstrap-theme==0.7.1