diff --git a/requirements.txt b/requirements.txt
index 6865f0e..dc3f21a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ pandas==0.20.2
 pbr==2.0.0
 python-dateutil==2.6.0
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 redis==2.10.5
 requests==2.17.3
 six==1.10.0