diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..82b0cd2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.swp
+*.tar.gz
diff --git a/README.md b/README.md
index 3a86e3a..969d30a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # mailman3-helm-chart
 Helm chart for Mailman3 deployment
+
+Fork of [fw8/mailman3-helm-chart](https://github.com/fw8/mailman3-helm-chart).
diff --git a/mailman3/templates/ingress.yaml b/mailman3/templates/ingress.yaml
index bfa754a..b4f274e 100644
--- a/mailman3/templates/ingress.yaml
+++ b/mailman3/templates/ingress.yaml
@@ -1,11 +1,7 @@
 {{- if .Values.ingress.enabled -}}
 {{- $fullName := include "mailman3.fullname" . -}}
 {{- $svcPort := .Values.service.port -}}
-{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
-apiVersion: networking.k8s.io/v1beta1
-{{- else -}}
-apiVersion: extensions/v1beta1
-{{- end }}
+apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: {{ $fullName }}