diff --git a/requirements.txt b/requirements.txt
index 708b6cb..87549dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ PyAlgoTrade==0.18
 pyparsing==2.2.0
 python-dateutil==2.6.0
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.1
 requests-file==1.4.2
 requests-ftp==0.3.1