diff --git a/pyproject.toml b/pyproject.toml
index 6de3c2f..73c7162 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -123,7 +123,7 @@ test = [
 testing = [
   "coverage~=7.3",
   "pytest<8",
-  "pytest-cov<5",
+  "pytest-cov<6",
   "pytest-env<2",
   "pytest-mock<4",
 ]