diff --git a/requirements.txt b/requirements.txt
index 49e8e1a..7e62f54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Pygments==2.3.1
 pylint==2.2.2
 python-dateutil==2.7.5
 pytz==2018.7
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.21.0
 six==1.12.0
 urllib3==1.24.2