diff --git a/requirements.txt b/requirements.txt
index bc09bc1..2deae6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 absl-py==0.6.1
 appnope==0.1.0
-arrow==0.12.1
+arrow==0.15.1
 astor==0.7.1
 backcall==0.1.0
 beautifulsoup4==4.6.3