diff --git a/requirements.txt b/requirements.txt
index bc1e99b..0948455 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,5 @@ aiocache
 ujson
 defusedxml
 bcrypt
-uvloop; sys_platform != 'win32'
\ No newline at end of file
+uvloop; sys_platform != 'win32'
+pytz
\ No newline at end of file