diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index b32d47fb..f35355dd 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -42,7 +42,7 @@ dependencies = [
 dev = [
     "mypy>=2.1.0",
     "pyinstaller>=6.20.0",
-    "pytest>=9.0.3",
+    "pytest>=9.1.1",
     "pytest-asyncio>=1.4.0",
     "pytest-cov>=7.1.0",
     "ruff>=0.15.18",