diff --git a/requirements-dev.txt b/requirements-dev.txt
index d452eff..105b39b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,7 +3,7 @@
 
 # Dev dependencies for EnSysMod
 pytest==7.4.0
-pytest-cov==3.0.0
+pytest-cov==4.1.0
 codecov==2.1.13
 sphinx==4.4.0
 sphinx-rtd-theme==1.0.0