diff --git a/requirements.txt b/requirements.txt
index 77212fb..9e65773 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ python-neutronclient==6.8.0
 python-novaclient==10.2.0
 python-plugin-sdk==6.0.1
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 requestsexceptions==1.4.0
 rfc3986==1.1.0