diff --git a/requirements.txt b/requirements.txt
index c47cfe4..c55c015 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ elasticsearch==5.4.0
 MySQL-python==1.2.5
 mysql-replication==0.13
 PyMySQL==0.7.11
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 schedule==0.4.3