diff --git a/script/requirements.txt b/script/requirements.txt
index 667476e..7d97c86 100644
--- a/script/requirements.txt
+++ b/script/requirements.txt
@@ -11,7 +11,7 @@ ordered-set==3.1.1
 ordereddict==1.1
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.2
+PyYAML==5.4
 requests==2.22.0
 simplejson==3.17.0
 six==1.13.0