diff --git a/requirements.txt b/requirements.txt
index a146b58..f86e6c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ more-itertools==7.2.0
 passlib==1.7.2
 portend==2.5
 pytz==2019.2
-PyYAML==5.1.2
+PyYAML==5.4
 rauth==0.7.3
 requests==2.22.0
 six==1.12.0