diff --git a/requirements.txt b/requirements.txt
index 8d2883a..8bb9a66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
 pywin32==228
-PyYAML==5.3.1
+PyYAML==5.4
 Werkzeug==1.0.1