diff --git a/robustified/requirements.txt b/robustified/requirements.txt
index 92a7a74f..8c7371b9 100644
--- a/robustified/requirements.txt
+++ b/robustified/requirements.txt
@@ -44,7 +44,7 @@ PyOpenGL==3.1.5
 pyparsing==2.4.7
 python-dateutil==2.8.1
 python-utils==2.4.0
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 scipy==1.4.1
 six==1.14.0