diff --git a/requirements.txt b/requirements.txt
index c3d32de..19e0748 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ oauthlib==3.1.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 python-dateutil==2.8.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 requests-oauthlib==1.3.0
 rsa==4.0