diff --git a/infra/gcp/istio-io/run.tf b/infra/gcp/istio-io/run.tf
index 92550659145..1d4402a4f75 100644
--- a/infra/gcp/istio-io/run.tf
+++ b/infra/gcp/istio-io/run.tf
@@ -1,6 +1,8 @@
 # This hosts the Istio Slack invitation service.
 # See https://docs.google.com/document/d/1Pf6vS5SiYuSD55atbosoSHktIi1N08p-P480buzCrDk/ for more info
-# The invite link needs to be updated every 400 invites. TODO: find a way to automate this?
+# The invite link needs to be updated every 2000 uses with a new link generated by Slack support.
+# (Links generated from the Slack UI only allow 400 invites.)
+# TODO: improve this
 resource "google_cloud_run_v2_service" "redirector" {
   location = "us-central1"
   name     = "redirector"
@@ -16,7 +18,8 @@ resource "google_cloud_run_v2_service" "redirector" {
       image = "gcr.io/istio-testing/redirector"
       env {
         name  = "REDIRECT_URL"
-        value = "https://join.slack.com/t/istio/shared_invite/zt-22l940p1h-HdIPYKoZy8JzOAqTCfuOnA"
+        # expires 2024-09-13 or after 2000 uses
+        value = "https://join.slack.com/t/istio/shared_invite/zt-23hxe505s-dqKi3O~~YzYA88Qw1ITzeA" 
       }
       resources {
         cpu_idle = true