diff --git a/requirements.txt b/requirements.txt
index acef1ff..9322485 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-arrow==0.12.1
+arrow==0.15.1
 atomicwrites==1.2.1
 attrs==18.2.0
 backports.functools-lru-cache==1.5