diff --git a/requirements.txt b/requirements.txt
index b51a4b6..bb3ace0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ MarkupSafe==1.1.1
 prettytable==0.7.2
 PyMySQL==0.9.3
 pyreadline==2.1
-PyYAML==5.1.1
+PyYAML==5.4
 requests==2.22.0
 selenium==3.141.0
 SQLAlchemy==1.3.10