diff --git a/requirements.txt b/requirements.txt
index 36f0e29..75006a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
 plotly==4.9.0
-PyYAML==5.3.1
+PyYAML==5.4
 retrying==1.3.3
 six==1.15.0
 Werkzeug==1.0.1