diff --git a/Chart.yaml b/Chart.yaml
index 7099d9d..e202f3a 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -1,4 +1,3 @@
-
 apiVersion: v2
 name: cmak-operator
 description: Manage and vizualize Kafka clusters with CMAK (prev. Kafka Manager).
@@ -6,6 +5,7 @@ icon: https://www.vectorlogo.zone/logos/kubernetes/kubernetes-icon.svg
 type: application
 version: 0.0.0 # actual chart version is managed by git tags
 appVersion: 3.0.0.5-7e7a22e
+kubeVersion: ">=1.21"
 
 home: https://github.com/eshepelyuk/cmak-operator