diff --git a/pyproject.toml b/pyproject.toml
index 71c11b4..306acfd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dependencies = []
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=9.0.3",
+    "pytest>=9.1.0",
     "pytest-cov>=5",
     "mypy>=1.10",
     "ruff>=0.15.12",