diff --git a/requirements.dev.txt b/requirements.dev.txt
index 54d2f4a34256b37b5ce9cccc40f860e847fa6cb6..1691b1a5d1b7edafd68287cb499bd1583059970e 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -2,5 +2,5 @@ flake8==3.7.5
 Cython==0.29.5
 nose==1.3.7
 pylint==1.9.4
-pytest==4.2.0
+pytest==4.2.1
 pytest-watch==4.2.0