diff --git a/templates/_images.tpl b/templates/_images.tpl
index 4beb586..00c457b 100644
--- a/templates/_images.tpl
+++ b/templates/_images.tpl
@@ -10,6 +10,9 @@ Return the proper image name
 {{- if .global.imageRegistry }}
 {{- $registryName = .global.imageRegistry -}}
 {{- end -}}
+{{- if .global.imageTag }}
+{{- $tag = .global.imageTag -}}
+{{- end -}}
 {{- end -}}
 {{- if $registryName }}
 {{- printf "%s/%s:%s" $registryName $repositoryName $tag -}}
@@ -86,4 +89,4 @@ imagePullSecrets:
 - name: {{ . }}
 {{- end }}
 {{- end }}
-{{- end -}}
\ No newline at end of file
+{{- end -}}
diff --git a/values.yaml b/values.yaml
index c253c71..466f18b 100644
--- a/values.yaml
+++ b/values.yaml
@@ -12,6 +12,7 @@ fullnameOverride: ""
 ##
 global:
   imageRegistry: "docker.io"
+  imageTag: v2.15.4
   ## E.g.
   #  imagePullSecrets:
   #  - myRegistryKeySecretName