diff --git a/requirements_dev.txt b/requirements_dev.txt
index fc6a329..093a0c2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,7 +9,7 @@ aiohttp==3.4.4
 pytest-aiohttp==0.3.0
 pytest==4.0.1
 pytest-asyncio==0.9.0
-pytest-cov==2.6.0
+pytest-cov==5.0.0
 coverage==4.5.2
 Sphinx==1.8.2
 sphinx-rtd-theme==0.4.2