diff --git a/requirements.txt b/requirements.txt
index 6a2e6bf..ae70f52 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ PyJWT==1.6.4
 python-dateutil==2.7.3
 python3-openid==3.1.0
 pytz==2018.5
-PyYAML==3.12
+PyYAML==5.4
 redis==2.10.6
 requests==2.19.1
 requests-oauthlib==1.0.0