diff --git a/pyproject.toml b/pyproject.toml
index d16e8b40..04fe4cf1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ dev = [
     "validators>=0.20.0,<0.21",
     "pytest-repeat>=0.9.1,<0.10",
     "coverage>=7.2.3,<8",
-    "pytest-cov>=4.0.0,<5",
+    "pytest-cov>=4.0.0,<8",
     "Sphinx>=5.1.1,<8.0.0",
     "sphinx-copybutton>=0.5.0,<0.6",
     "sphinx-autodoc-typehints>=1.19.2,<2",