diff --git a/requirements.txt b/requirements.txt
index d595bbde4ec4d781065071a080f3d4a44d7be552..bb68214d369336981a900bb725c6ad239ed9f888 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -92,7 +92,7 @@ python-dateutil==2.8.2
     # via kubernetes
 pytz==2021.3
     # via greenhost-cloud
-pyyaml==5.4.1
+pyyaml==6.0
     # via
     #   ansible
     #   kubernetes