diff --git a/requirements.txt b/requirements.txt
index 3fd8d8a..53dc103 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ pyparsing==2.4.0
 pytest==4.5.0
 python-dateutil==2.8.0
 pytz==2019.1
-PyYAML==5.1
+PyYAML==5.4
 raven==6.7.0
 requests==2.22.0
 requests-toolbelt==0.8.0