diff --git a/charts/keycloak/templates/_helpers.tpl b/charts/keycloak/templates/_helpers.tpl
index bcb7a920..0c28836c 100644
--- a/charts/keycloak/templates/_helpers.tpl
+++ b/charts/keycloak/templates/_helpers.tpl
@@ -37,7 +37,7 @@ Common labels
 {{- define "keycloak.labels" -}}
 helm.sh/chart: {{ include "keycloak.chart" . }}
 {{ include "keycloak.selectorLabels" . }}
-app.kubernetes.io/version: {{ .Values.image.tag | default .Chart.AppVersion | quote }}
+app.kubernetes.io/version: {{ .Values.image.tag | default .Chart.AppVersion | trunc 63 | quote }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- end }}
 
diff --git a/charts/keycloakx/templates/_helpers.tpl b/charts/keycloakx/templates/_helpers.tpl
index 9eeccfa5..93fe4af1 100644
--- a/charts/keycloakx/templates/_helpers.tpl
+++ b/charts/keycloakx/templates/_helpers.tpl
@@ -35,7 +35,7 @@ Common labels
 {{- define "keycloak.labels" -}}
 helm.sh/chart: {{ include "keycloak.chart" . }}
 {{ include "keycloak.selectorLabels" . }}
-app.kubernetes.io/version: {{ .Values.image.tag | default .Chart.AppVersion | quote }}
+app.kubernetes.io/version: {{ .Values.image.tag | default .Chart.AppVersion | trunc 63 | quote }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- end }}
 
diff --git a/charts/mailhog/templates/_helpers.tpl b/charts/mailhog/templates/_helpers.tpl
index 64897b5c..f377866b 100644
--- a/charts/mailhog/templates/_helpers.tpl
+++ b/charts/mailhog/templates/_helpers.tpl
@@ -37,7 +37,7 @@ Common labels
 {{- define "mailhog.labels" -}}
 helm.sh/chart: {{ include "mailhog.chart" . }}
 {{ include "mailhog.selectorLabels" . }}
-app.kubernetes.io/version: {{ .Values.image.tag | default .Chart.AppVersion | quote }}
+app.kubernetes.io/version: {{ .Values.image.tag | default .Chart.AppVersion | trunc 63 | quote }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- end }}