diff --git a/charts/argo-cd/templates/_helpers.tpl b/charts/argo-cd/templates/_helpers.tpl
index b5d62a6a..e0e2253c 100644
--- a/charts/argo-cd/templates/_helpers.tpl
+++ b/charts/argo-cd/templates/_helpers.tpl
@@ -206,6 +206,14 @@ NOTE: Configuration keys must be stored as dict because YAML treats dot as separ
 {{- toYaml $presets }}
 {{- end -}}
 
+{{/*
+Use correct pdb version
+*/}}
+{{- define "argo-cd.podDisruptionBudget.apiVersion" -}}
+{{- if semverCompare "<1.21-0" (include "argo-cd.kubeVersion" $) -}}
+{{- print "policy/v1beta1" -}}
+{{- else -}}
+
 {{/*
 Merge Argo Params Configuration with Preset Configuration
 */}}