diff --git a/requirements.txt b/requirements.txt
index feecb8c..8e2d182 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 appdirs==1.4.3
 appnope==0.1.0
 argh==0.26.2
-arrow==0.12.1
+arrow==0.15.1
 astroid==2.1.0
 atomicwrites==1.2.1
 attrs==18.2.0