diff --git a/values/prometheus/values/prometheus.yaml.gotmpl b/values/prometheus/values/prometheus.yaml.gotmpl
index 45024145..76c90497 100644
--- a/values/prometheus/values/prometheus.yaml.gotmpl
+++ b/values/prometheus/values/prometheus.yaml.gotmpl
@@ -173,6 +173,9 @@ grafana:
     annotations:
       cert-manager.io/cluster-issuer: {{ .Values.clusterConfig.ingress_clusterissuer }}
       nginx.ingress.kubernetes.io/ssl-redirect: "true"
+      nginx.ingress.kubernetes.io/proxy-body-size: "0"
+      nginx.ingress.kubernetes.io/proxy-read-timeout: "600"
+      nginx.ingress.kubernetes.io/proxy-send-timeout: "600"
       {{- with .Values.clusterConfig.ingress_whitelist}}
       nginx.ingress.kubernetes.io/whitelist-source-range: {{ join "," . }}
       {{- end }}
@@ -458,6 +461,9 @@ prometheus:
     annotations:
       cert-manager.io/cluster-issuer: {{ .Values.clusterConfig.ingress_clusterissuer }}
       nginx.ingress.kubernetes.io/ssl-redirect: "true"
+      nginx.ingress.kubernetes.io/proxy-body-size: "0"
+      nginx.ingress.kubernetes.io/proxy-read-timeout: "600"
+      nginx.ingress.kubernetes.io/proxy-send-timeout: "600"
       {{- with .Values.clusterConfig.ingress_whitelist }}
       nginx.ingress.kubernetes.io/whitelist-source-range: {{ join "," . }}
       {{- end }}