diff --git a/requirements.txt b/requirements.txt
index e70ceec..c5a9e97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ python-openstackclient==3.4.1
 python-swiftclient==3.2.0
 python-troveclient==2.6.0
 pytz==2016.10
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.1
 requestsexceptions==1.3.0
 rfc3986==0.4.1