diff --git a/requirements.txt b/requirements.txt
index cc2dca2..804db50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -83,7 +83,7 @@ python-dateutil==2.6.1
 python-debian==0.1.32
 pytz==2018.3
 pyxdg==0.26
-PyYAML==5.1
+PyYAML==5.4
 reportlab==3.4.0
 requests==2.23.0
 requests-oauthlib==1.3.0