diff --git a/requirementsCAR.txt b/requirementsCAR.txt
index b08b7e8..b60e434 100644
--- a/requirementsCAR.txt
+++ b/requirementsCAR.txt
@@ -49,7 +49,7 @@ pyparsing==2.4.7
 python-dateutil==2.8.1
 python-editor==1.0.4
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 querystring-parser==1.2.4
 requests==2.23.0
 requests-oauthlib==1.3.0