diff --git a/requirements.txt b/requirements.txt
index 3fe7f3b..7a9d653 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ Pillow==4.3.0
 psycopg2==2.7.3.2
 python-dateutil==2.6.1
 pytz==2017.3
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 simplejson==3.13.2
 six==1.11.0