diff --git a/argocd/apps/mattermost/mattermnost.yaml b/argocd/apps/mattermost/mattermnost.yaml
index 7e10ef2..7763328 100644
--- a/argocd/apps/mattermost/mattermnost.yaml
+++ b/argocd/apps/mattermost/mattermnost.yaml
@@ -27,7 +27,7 @@ spec:
           value: 'true'
           forceString: true
         - name: ingress.annotations.cert-manager\.io\/cluster-issuer
-          value: lets-encrypt-staging
+          value: lets-encrypt
         - name: mysql.mysqlUser
           value: 'mmdbuser'
         - name: mysql.mysqlPassword