diff --git a/kubernetes/letsencrypt-production.yaml b/kubernetes/letsencrypt-production.yaml
index 13df87b..31fb724 100644
--- a/kubernetes/letsencrypt-production.yaml
+++ b/kubernetes/letsencrypt-production.yaml
@@ -12,8 +12,9 @@ spec:
     privateKeySecretRef:
       # Secret resource used to store the account's private key.
       name: letsencrypt-production-account-key
-    # Add a single challenge solver, HTTP01 using nginx
+    # Add a single challenge solver, HTTP01 using the gitea-ingress
+    # https://docs.cert-manager.io/en/latest/reference/api-docs/index.html#acmechallengesolverhttp01ingress-v1alpha1
     solvers:
     - http01:
         ingress:
-          class: nginx
+          name: gitea-ingress
diff --git a/kubernetes/letsencrypt-staging.yaml b/kubernetes/letsencrypt-staging.yaml
index cc2094e..6e7acc2 100644
--- a/kubernetes/letsencrypt-staging.yaml
+++ b/kubernetes/letsencrypt-staging.yaml
@@ -4,7 +4,6 @@ metadata:
   name: letsencrypt-staging
 spec:
   acme:
-    # You must replace this email address with your own.
     # Let's Encrypt will use this to contact you about expiring
     # certificates, and issues related to your account.
     email: ops@kosmos.org
@@ -12,8 +11,9 @@ spec:
     privateKeySecretRef:
       # Secret resource used to store the account's private key.
       name: letsencrypt-staging-account-key
-    # Add a single challenge solver, HTTP01 using nginx
+    # Add a single challenge solver, HTTP01 using the gitea-ingress
+    # https://docs.cert-manager.io/en/latest/reference/api-docs/index.html#acmechallengesolverhttp01ingress-v1alpha1
     solvers:
     - http01:
         ingress:
-          class: nginx
+          name: gitea-ingress