diff --git a/pyproject.toml b/pyproject.toml
index 5c201cf..09aa219 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 [project.optional-dependencies]
 test = [
   "pytest==8.1.1",
-  "pytest-cov==4.1.0",
+  "pytest-cov==5.0.0",
   "WebTest==3.0.0",
   "ruff==0.3.3",
 ]