diff --git a/pyproject.toml b/pyproject.toml
index 5606da1..d55bc08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
 [dependency-groups]
 dev = [
     "pytest>=8.2.2,<9",
-    "pytest-cov>=5.0.0,<6",
+    "pytest-cov>=5.0.0,<8",
     "mkdocs>=1.6.0,<2",
     "mkdocstrings[python]>=0.25.1,<0.26",
     "mkdocs-material>=9.5.27,<10",