diff --git a/pyproject.toml b/pyproject.toml
index 0a149526f..b42e99775 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ dev = [
     "pytest==8.0.0",
     "pytest-sugar==1.0.0",
     "pytest-instafail==0.5.0",
-    "pytest-cov==4.1.0",
+    "pytest-cov==5.0.0",
     "flake8==7.0.0",
     "flake8-bugbear==24.2.6",
     "flake8-encodings==0.5.1",