diff --git a/requirements.txt b/requirements.txt
index 61ed1b3..8207575 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ pyasn1-modules==0.2.8
 pyspark==3.0.1
 python-dateutil==2.8.1
 pytz==2020.5
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.25.1
 requests-oauthlib==1.3.0
 rsa==4.6