diff --git a/requirements.txt b/requirements.txt
index 6de34cb..bc4bcf2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ Pygments==2.7.1
 pyparsing==2.4.7
 python-dateutil==2.8.0
 pytz==2019.2
-PyYAML==3.11
+PyYAML==5.4
 pyzmq==18.0.2
 requests==2.22.0
 s3transfer==0.3.3