diff --git a/pyproject.toml b/pyproject.toml
index 42b214a..0b23b6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest==8.3.4",
-    "pytest-cov==4.1.0",
+    "pytest-cov==6.1.1",
     "pytest-mock==3.12.0",
     "coverage==7.3.2",
     "black==24.10.0",