diff --git a/requirements.txt b/requirements.txt
index cd211fe..c8278af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,4 +12,5 @@ python-gitlab==3.15.0
 mlflow==1.30.0
 connexion==2.14.2
 pendulum==2.0.0 
+pytzdata==2018.5.