diff --git a/Pipfile b/Pipfile
index 59233f7..b758d99 100644
--- a/Pipfile
+++ b/Pipfile
@@ -14,6 +14,7 @@ gunicorn = "*"
 uvloop = "*"
 httptools = "*"
 typing-extensions = "*"
+arrow = "*"
 
 [dev-packages]