diff --git a/requirements.txt b/requirements.txt
index 7001eed..0dad9c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyspark==3.0.1
 pytz==2020.5
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.25.1
 requests-oauthlib==1.3.0
 rsa==4.6