diff --git a/requirements.txt b/requirements.txt
index edf319d..30f6d1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ pyyaml==3.12
 six==1.10.0
 tabulate==0.7.7
 vcrpy==1.10.3
-pytest==3.3.1
+pytest==4.6.6