diff --git a/requirements.txt b/requirements.txt
index e3c41c1..4bf0aa6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pyaml==17.7.2
 pycparser==2.17
 pyparsing==2.2.0
 python-dateutil==2.6.0
-PyYAML==3.12
+PyYAML==5.1
 requests==2.13.0
 s3transfer==0.1.10
 schedule==0.4.2