diff --git a/requirements.txt b/requirements.txt
index fc0ad12..e5e5217 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-arrow==0.12.1
+arrow==0.15.1
 certifi==2018.4.16
 chardet==3.0.4
 idna==2.7