diff --git a/requirements.txt b/requirements.txt
index e318692..541b161 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pluggy==0.6.0
 ply==3.11
 py==1.5.2
 pyparsing==2.2.0
-pytest==3.4.1
+pytest==9.0.3
 python-dateutil==2.6.1
 pytz==2018.3
 six==1.11.0