diff --git a/pyproject.toml b/pyproject.toml
index 066fe0b6..1d8b170a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,7 +65,7 @@ version = {attr = "diffannotator.config.__version__"}
 [project.optional-dependencies]
 dev = [
   "pytest==8.4.0",
-  "pytest-benchmark==5.1.0",
+  "pytest-benchmark==5.2.0",
 ]
 doc = [
   "mkdocs~=1.6.1",