diff --git a/requirements.txt b/requirements.txt
index 46c0dfa..8b3a6d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 anaconda-client==1.7.2
 anaconda-project==0.8.2
 ansiwrap==0.8.4
-arrow==0.13.1
+arrow==0.15.1
 asn1crypto==0.24.0
 astroid==2.2.5
 astropy==3.1.2