diff --git a/requirements.txt b/requirements.txt
index 5494018..711b8f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ pytest==3.8.2
 python-dateutil==2.7.3
 python-docx==0.8.7
 pytz==2018.5
-PyYAML==3.13
+PyYAML==5.4
 regex==2017.4.5
 requests==2.19.1
 s3transfer==0.1.13