diff --git a/dev-requirements.txt b/dev-requirements.txt
index 8299aa2..77759a2 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,4 @@
-pytest==3.3.1
+pytest==9.0.3
 pytest-cov==2.5.1
 python-coveralls==2.9.1
 flake8==3.5.0