diff --git a/requirements.txt b/requirements.txt
index 22ad4b4..2c53cd0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ MarkupSafe==1.1.1
 SQLAlchemy==1.3.11
 WTForms==2.2.1
 Werkzeug==0.16.0
-arrow==0.15.2
+arrow==1.1.1
 blinker==1.4
 cssmin==0.2.0
 gunicorn==20.0.4