diff --git a/requirements.txt b/requirements.txt
index 11120db..b47a7c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ pytest-ordering==0.5
 python-dateutil==2.6.1
 python-editor==1.0.3
 pytz==2019.1
-PyYAML==5.1.1
+PyYAML==5.4
 redis
 requests==2.20.0
 retrying==1.3.3