diff --git a/requirements.txt b/requirements.txt
index fbe5b95..0782db4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -99,7 +99,7 @@ python3-openid==3.1.0
 pytz==2019.2
 pytzdata==2019.3
 pyxdg==0.26
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.22.0
 requests-unixsocket==0.1.5
 roman==2.0.0