diff --git a/saasrest/requirements.txt b/saasrest/requirements.txt
index 1308eec..7e82de1 100644
--- a/saasrest/requirements.txt
+++ b/saasrest/requirements.txt
@@ -110,7 +110,7 @@ python-xlib==0.25
 python3-openid==3.1.0
 pytoml==0.1.20
 pytz==2019.1
-PyYAML==5.1
+PyYAML==5.4
 ratelim==0.1.6
 requests==2.22.0
 requests-oauthlib==1.0.0