diff --git a/api/src/main/resources/requirements.txt b/api/src/main/resources/requirements.txt
index b278792..f5d7640 100644
--- a/api/src/main/resources/requirements.txt
+++ b/api/src/main/resources/requirements.txt
@@ -22,7 +22,7 @@ pyparsing==2.1.10
 python-keystoneclient==3.8.0
 python-swiftclient==3.2.0
 pytz==2016.10
-pyyaml==4.2b1
+pyyaml==5.1.2
 requests==2.20.0
 rfc3986==0.4.1
 singledispatch==3.4.0.3