diff --git a/requirements_dev_optional.txt b/requirements_dev_optional.txt
index 971f39239a..3a97f59ae8 100644
--- a/requirements_dev_optional.txt
+++ b/requirements_dev_optional.txt
@@ -11,7 +11,7 @@ types-setuptools
 pymongo==4.11.3
 # optional test requirements
 coverage
-pytest-cov==6.0.0
+pytest-cov==6.1.1
 pytest-doctestplus==1.4.0
 pytest-timeout==2.3.1
 h5py==3.13.0