diff --git a/requirements.txt b/requirements.txt
index 7ad547b..fb40274 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ multidict==4.7.5
 psycopg2-binary==2.8.5
 Pygments==2.6.1
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 rfc3986==1.4.0
 six==1.14.0