diff --git a/config/requirements.txt b/config/requirements.txt
index b0afc1a..d2fbd41 100644
--- a/config/requirements.txt
+++ b/config/requirements.txt
@@ -44,7 +44,7 @@ PyJWT==1.7.1
 PyMySQL==0.9.3
 pyparsing==2.4.7
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 redis==3.5.0
 requests==2.23.0
 ruamel.yaml==0.16.10