diff --git a/requirements-dev.txt b/requirements-dev.txt
index a194d2c..1a7b943 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 -r requirements.txt
 flake8==3.5.0
-pytest==3.8.2
+pytest==3.9.3
 pytest-cov==2.6.0