diff --git a/core/admin/requirements-prod.txt b/core/admin/requirements-prod.txt
index a538c023..5f59bb9a 100644
--- a/core/admin/requirements-prod.txt
+++ b/core/admin/requirements-prod.txt
@@ -34,7 +34,7 @@ pyOpenSSL==18.0.0
 python-dateutil==2.7.5
 python-editor==1.0.3
 pytz==2018.7
-PyYAML==3.13
+PyYAML==4.2b1
 redis==3.0.1
 six==1.11.0
 SQLAlchemy==1.2.13