diff --git a/requirements.txt b/requirements.txt
index 5ae64e81..d4aefa0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ six>=1.7.0
 Babel>=1.3
 oauthlib
 netifaces
-PyYAML
\ No newline at end of file
+PyYAML
+tzlocal
\ No newline at end of file