diff --git a/axe_selenium_python/tests/requirements/tests.txt b/axe_selenium_python/tests/requirements/tests.txt
index dad738a..48b15c1 100644
--- a/axe_selenium_python/tests/requirements/tests.txt
+++ b/axe_selenium_python/tests/requirements/tests.txt
@@ -1,4 +1,4 @@
-pytest==3.8.2
+pytest==3.9.1
 selenium==3.14.1
 pytest-html==1.19.0
 pytest-mock==1.10.0