diff --git a/requirements.txt b/requirements.txt
index e74c46d..d8ea5e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ pyrsistent==0.15.4
 python-dateutil==2.8.0
 python-editor==1.0.4
 pytz==2019.2
-PyYAML==5.1.2
+PyYAML==5.4
 query-string==2019.4.13
 request==2019.4.13
 requests==2.22.0