diff --git a/requirements.txt b/requirements.txt
index a290e3d..d70e604 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 appnope==0.1.0
-arrow==0.12.1
+arrow==0.15.1
 attrs==18.2.0
 backcall==0.1.0
 blessings==1.7