diff --git a/k8s-ingress.yaml b/k8s-ingress.yaml
index d29ad8f..ee1fa13 100644
--- a/k8s-ingress.yaml
+++ b/k8s-ingress.yaml
@@ -2,6 +2,9 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: proxy-detection-ingress
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+
   labels:
     app: proxy-detection-api
 spec: