diff --git a/requirements.txt b/requirements.txt
index 2e803b9603b3c6a30840bfc77348e37a8aba22a3..83c915ff6378ae34f3b18affc5df5faa67da13f0 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