diff --git a/requirements.txt b/requirements.txt
index f318bf4..7830c9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ pytest-mock==1.10.1
 python-dateutil==2.8.0
 python-editor==1.0.4
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 render==1.0.0
 requests==2.22.0
 requests-mock==1.6.0