diff --git a/pyproject.toml b/pyproject.toml
index 2cbefe6..f5414d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ tests = [
     "flake8~=7.0",
     "pylint~=3.1",
     "pytest~=8.0",
-    "pytest-cov~=4.0",
+    "pytest-cov~=6.0",
 ]
 
 [build-system]