diff --git a/requirements.txt b/requirements.txt
index e97f51b..0a0816b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -69,7 +69,7 @@ pyasn1-modules==0.1.4
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 redis==2.10.6
 requests==2.18.4
 rsa==3.4.2