diff --git a/pyproject.toml b/pyproject.toml
index 8cf40de..5e4a224 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-  "pytest>=8.4,<9",
+  "pytest>=9.1.1,<10",
   "pytest-asyncio>=1.1,<2",
   "pytest-cov>=6.2,<7",
   "ruff>=0.12,<1",