diff --git a/values/temporal/manifests/ingress-grpc.yaml b/values/temporal/manifests/ingress-grpc.yaml
index bc5bacf6..c0f35e43 100644
--- a/values/temporal/manifests/ingress-grpc.yaml
+++ b/values/temporal/manifests/ingress-grpc.yaml
@@ -8,6 +8,7 @@ metadata:
     cert-manager.io/cluster-issuer: {{ .Values.clusterConfig.ingress_clusterissuer }}
     nginx.ingress.kubernetes.io/backend-protocol: GRPC
     nginx.ingress.kubernetes.io/ssl-redirect: "true"
+    nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
     oceanbox.io/expose: internal
   labels:
     app.kubernetes.io/name: temporal