diff --git a/dev_requirements.txt b/dev_requirements.txt
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -1,4 +1,4 @@
-pytest>=2.7.0,<3.0
+pytest>=2.7.0,<4.0
 pytest-runner
 pytest-sugar>=0.7.0,<1.0.0
 pytest-catchlog