diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4ef1e4af..2355dd96 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -5,4 +5,4 @@ pep8-naming==0.4.1
 pre-commit==1.18.3
 pycodestyle==2.5.0
 pyflakes==2.1.0
-pytest==5.3.5
+pytest==9.0.3