diff --git a/requirements.txt b/requirements.txt
index e771d21..4079c2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -96,7 +96,7 @@ python-dateutil==2.7.2
 python-slugify==1.2.5
 python-tds==1.9.1
 pytz==2018.4
-PyYAML==5.1
+PyYAML==5.4
 queuelib==1.5.0
 redis==3.2.1
 requests==2.22.0