diff --git a/requirements.txt b/requirements.txt
index f0ee716..be0035a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ python-dateutil==2.8.1
 python-memcached==1.59
 python3-openid==3.2.0
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.24.0
 requests-oauthlib==1.3.0
 s3transfer==0.3.3