diff --git a/requirements.txt b/requirements.txt
index 09ebddd..6763557 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ Pygments==2.2.0
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 regex==2017.4.5
 requests==2.18.4
 rfc3986==1.1.0