diff --git a/requirements.txt b/requirements.txt
index 88a962b..49c0030 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ DBUtils==1.2
 elasticsearch==6.2.0
 kafka==1.3.5
 PyMySQL==0.8.1
-PyYAML==3.12
+PyYAML==5.4
 redis==2.10.6
 redis-py-cluster==1.3.4
 urllib3==1.22