diff --git a/requirements.txt b/requirements.txt
index 5aea07e..7c4e400 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Jinja2==2.11.3
 MarkupSafe==1.1.1
 pip==19.2.3
 pytz==2021.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.25.1
 setuptools==41.2.0
 six==1.15.0