diff --git a/pyproject.toml b/pyproject.toml
index d1837dd..4879f1c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ Repository = "https://github.com/merylldindin/sirtuin"
 dev = [
     "commitizen==4.16.4",
     "pre-commit==4.6.0",
-    "pytest==9.0.3",
+    "pytest==9.1.1",
     "pytest-cov==7.1.0",
     "ruff==0.15.20",
     "ty==0.0.56",