diff --git a/charts/ai-model/templates/ai-model-ingress.yaml b/charts/ai-model/templates/ai-model-ingress.yaml
index a162c0b..c9d5bd5 100644
--- a/charts/ai-model/templates/ai-model-ingress.yaml
+++ b/charts/ai-model/templates/ai-model-ingress.yaml
@@ -2,7 +2,7 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   annotations:
-    cert-manager.io/cluster-issuer: letsencrypt-prod
+    cert-manager.io/cluster-issuer: {{ .Values.ingress.certmanager.issuer }}
     nginx.ingress.kubernetes.io/proxy-body-size: 50m
   labels:
     service: ai-model
diff --git a/charts/ai-model/values.yaml b/charts/ai-model/values.yaml
index d33b91c..70f1596 100644
--- a/charts/ai-model/values.yaml
+++ b/charts/ai-model/values.yaml
@@ -10,3 +10,5 @@ resources:
     cpu: '10m'
 ingress:
   host:
+  certmanager:
+    issuer: