diff --git a/requirements.txt b/requirements.txt
index 88442f8..71b2cbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ Pygments==2.3.1
 PyMySQL==0.9.3
 python-memcached==1.59
 pytz==2017.2
-PyYAML==3.13
+PyYAML==5.4
 requests==2.21.0
 six==1.12.0
 sqlparse==0.2.4