diff --git a/pyproject.toml b/pyproject.toml
index 0a8c0826c..669b9390c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -118,7 +118,7 @@ dev = [
     "pytest==8.0.0",
     "pytest-sugar==1.0.0",
     "pytest-instafail==0.5.0",
-    "pytest-cov==5.0.0",
+    "pytest-cov==6.0.0",
     "flake8==7.1.1",
     "flake8-bugbear==24.8.19",
     "flake8-encodings==0.5.1",