diff --git a/dev-requirements.txt b/dev-requirements.txt
index 6a182408..a158a17e 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 -rrequirements.txt
 
 pep8==1.7.0
-pytest==3.7.0
+pytest==3.8.1
 pytest-pythonpath==0.7.2 # useful for running tests outside tox
 pytest-timeout==1.3.1