diff --git a/pyproject.toml b/pyproject.toml
index b6c8a18..f4e2d35 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "pytest==8.3.5",
-  "pytest-cov==6.0.0",
+  "pytest-cov==7.1.0",
   "hypothesis==6.130.8",
   "ruff==0.11.2",
   "mypy==1.15.0",