diff --git a/pyproject.toml b/pyproject.toml
index b2963f5..cca156a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ ph = "phronesitron.cli:main"
 
 [dependency-groups]
 dev = [
-    "pytest>=9.0.3",
+    "pytest>=9.1.0",
     "pytest-asyncio>=1.4.0",
     "ruff>=0.15.16",
     "mypy>=1.20.2",