diff --git a/python/auth/requirements.txt b/python/auth/requirements.txt
index 4e296fc..0e75c69 100644
--- a/python/auth/requirements.txt
+++ b/python/auth/requirements.txt
@@ -7,5 +7,5 @@ MarkupSafe==1.0
 marshmallow==2.15.0
 pika==0.11.2
 PyJWT==1.4.2
-PyYAML==3.13
+PyYAML==5.4
 Werkzeug==0.14