diff --git a/pyproject.toml b/pyproject.toml
index 3fa6c20..a870fca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ dependencies = [
 test = [
     "tox<=4.23.2",
     "coverage<=7.6.7",
-    "pytest-cov<=5.0.0",
+    "pytest-cov<=6.0.0",
 ]
 format = [
     "ruff==0.7.4",      # Linting/formatting