diff --git a/requirements.txt b/requirements.txt
index 9dc60b2..788f28d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ python-editor==1.0.4
 python-http-client==3.1.0
 pytz==2019.1
 pytzdata==2018.9
-PyYAML==5.1
+PyYAML==5.4
 redis==2.10.6
 requests==2.21.0
 rsa==4.0