diff --git a/requirements.txt b/requirements.txt
index 3d018bd..be6fe77 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ pyrsistent==0.14.11
 pytest==4.3.0
 python-dateutil==2.8.0
 pytz==2018.9
-PyYAML==3.13
+PyYAML==5.4
 requests==2.21.0
 requests-oauthlib==1.2.0
 rsa==4.0