diff --git a/requirements.txt b/requirements.txt
index 561f390..85b7fee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -160,7 +160,7 @@ python-pptx==0.6.18
 python3-openid==3.1.0
 pytz==2019.3
 pytzdata==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.0
 requests==2.23.0
 requests-oauthlib==1.3.0