diff --git a/requirements.txt b/requirements.txt
index 542ac01..0e72e3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pathspec==0.5.5
 psycopg2==2.7.4
 python-dateutil==2.6.1
 pytz==2018.3
-PyYAML==3.12
+PyYAML==5.4
 requests==2.9.1
 s3transfer==0.1.12
 semantic-version==2.5.0