diff --git a/requirements.txt b/requirements.txt
index ffaffbd..48d2cd4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 mypy_extensions>=0.3.0
-pytest>=3.3.0
+pytest>=9.0.3
 setuptools>=28.8.0
 six>=1.11.0
 typing>=3.6.2; python_version < '3.5'