diff --git a/requirements.dev.txt b/requirements.dev.txt
index dc69b7c81c455c0bfe0c1743cd881c3d3f320609..d8be6cc025f551cbdd0f20b1838a8154a874fde2 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -2,5 +2,5 @@ flake8==3.7.3
 Cython==0.29.3
 nose==1.3.7
 pylint==1.9.4
-pytest==3.4.2
+pytest==4.2.0
 pytest-watch==4.2.0