diff --git a/requirements-dev.txt b/requirements-dev.txt
index 11bcea2..5be6a30 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,6 +3,6 @@
 
 mock==2.0.0
 flake8==3.4.1
-pytest==3.2.2
+pytest==9.0.3
 pytest-cov==2.5.1
 Sphinx==1.6.4