diff --git a/pyproject.toml b/pyproject.toml
index 3beb46cb..8ca770e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dev = [
     "pre-commit>=3.5.0",
     "pytest==8.3.3",
     "pytest-asyncio==0.24.0",
-    "pytest-cov==5.0.0",
+    "pytest-cov==6.0.0",
     "pytest-sugar==1.0.0",
     "ruff==0.7.1",
     "ruff-lsp==0.0.58",