diff --git a/requirements.txt b/requirements.txt
index 965f35f..88c7462 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ Pygments==2.2.0
 python-dateutil==2.6.1
 python-editor==1.0.3
 python-etcd==0.4.5
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 rsa==3.4.2
 six==1.10.0