diff --git a/pyproject.toml b/pyproject.toml
index 4eb81bd..5bfd4c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dev = [
   "bandit>=1.7,<2",
   "mypy>=1.11,<3",
   "nbformat>=5.10,<6",
-  "pytest==9.0.3",
+  "pytest==9.1.1",
   "pytest-cov>=5,<8",
   "ruff>=0.8,<1",
   "types-requests>=2.31,<3",