diff --git a/requirements_dev.txt b/requirements_dev.txt
index 1fa5b231..24c2169f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ flake8==7.2.0
 pillow==11.1.0
 pytest==8.3.5
 pytest-cache==1.0
-pytest-cov==6.0.0
+pytest-cov==6.1.1
 pytest-mock==3.14.0
 recommonmark==0.7.1
 requests==2.32.3