diff --git a/requirements.txt b/requirements.txt
index ab66e4d..f927bad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ psycopg2==2.7.6.1
 pyparsing==2.3.0
 python-dateutil==2.7.5
 pytz==2018.7
-PyYAML==3.13
+PyYAML==5.4
 six==1.12.0
 static3==0.7.0
 tornado==5.1.1