diff --git a/pyproject.toml b/pyproject.toml
index bb4f9e26..a4e50a63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ test = [
     "hypothesis >=6.21.0,<6.102.2",
     "pytest >=7.2.0,<9.0.0",
     "pytest-custom_exit_code ==0.3.0",
-    "pytest-cov ==4.1.0",
+    "pytest-cov ==5.0.0",
     "pytest-doctestplus ==1.2.1",
     "pytest-env ==1.1.3",
 ]