diff --git a/dev-requirements.txt b/dev-requirements.txt
index 5671a371..83aef55b 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 -rrequirements.txt
 
 pep8==1.7.0
-pytest==4.1.1
+pytest==4.3.0
 pytest-pythonpath==0.7.3 # useful for running tests outside tox
 pytest-timeout==1.3.3