diff --git a/chart/templates/ingress.yaml b/chart/templates/ingress.yaml
index 02894c10..6d9c8de2 100644
--- a/chart/templates/ingress.yaml
+++ b/chart/templates/ingress.yaml
@@ -7,6 +7,7 @@ metadata:
   annotations:
     kubernetes.io/tls-acme: "true"
     cert-manager.io/cluster-issuer: ingress-ca
+    nginx.ingress.kubernetes.io/proxy-buffer-size: "16m"
 spec:
   ingressClassName: ingress-nginx
   rules:
@@ -35,6 +36,7 @@ metadata:
   annotations:
     kubernetes.io/tls-acme: "true"
     cert-manager.io/cluster-issuer: ingress-ca
+    nginx.ingress.kubernetes.io/proxy-buffer-size: "16m"
 spec:
   tls:
     - hosts: