diff --git a/requirements.txt b/requirements.txt
index c629396..118d600 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ python-editor==1.0.3
 python-nvd3==0.14.2
 python-slugify==1.1.4
 pytz==2017.3
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.3
 qtconsole==4.3.1
 requests==2.18.4