diff --git a/dev-requirements.txt b/dev-requirements.txt
index f79f06e..70eb527 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,6 +3,6 @@ pytest>=3.0,<9
 coverage>=6.3,<8
 setuptools_scm>=7.0,<9.0
 tox>=2.5,<4.0
-pytest-cov>=4.0,<5.0
+pytest-cov>=4.0,<6.0
 mypy>=1.9,<2
 build>=1.2,<2