diff --git a/terraform/projects/app-publishing-amazonmq/publishing-rabbitmq-schema.json.tpl b/terraform/projects/app-publishing-amazonmq/publishing-rabbitmq-schema.json.tpl
index 4faa6ee73..ead5aafd8 100644
--- a/terraform/projects/app-publishing-amazonmq/publishing-rabbitmq-schema.json.tpl
+++ b/terraform/projects/app-publishing-amazonmq/publishing-rabbitmq-schema.json.tpl
@@ -120,6 +120,31 @@
       },
       "priority": 0
     },
+    {
+      "vhost": "publishing",
+      "name": "govuk_chat_retry_dlx",
+      "pattern": "govuk_chat_published_documents",
+      "apply-to": "queues",
+      "definition": {
+        "dead-letter-exchange": "govuk_chat_retry_dlx",
+        "ha-mode": "all",
+        "ha-sync-mode": "automatic"
+      },
+      "priority": 0
+    },
+    {
+      "vhost": "publishing",
+      "name": "govuk_chat_retry",
+      "pattern": "govuk_chat_retry",
+      "apply-to": "queues",
+      "definition": {
+        "dead-letter-exchange": "govuk_chat_dlx",
+        "message-ttl":"${govuk_chat_retry_message-ttl}",
+        "ha-mode": "all",
+        "ha-sync-mode": "automatic"
+      },
+      "priority": 0
+    },
     {
       "vhost": "publishing",
       "name": "ha-all",
@@ -210,6 +235,13 @@
       "auto_delete": false,
       "arguments": {}
     },
+    {
+      "name": "govuk_chat_retry",
+      "vhost": "publishing",
+      "durable": true,
+      "auto_delete": false,
+      "arguments": {}
+    },
     {
       "name": "email_unpublishing",
       "vhost": "publishing",
@@ -228,6 +260,24 @@
       "internal": false,
       "arguments": {}
     },
+    {
+      "name": "govuk_chat_retry_dlx",
+      "vhost": "publishing",
+      "type": "topic",
+      "durable": true,
+      "auto_delete": false,
+      "internal": false,
+      "arguments": {}
+    },
+    {
+      "name": "govuk_chat_dlx",
+      "vhost": "publishing",
+      "type": "topic",
+      "durable": true,
+      "auto_delete": false,
+      "internal": false,
+      "arguments": {}
+    },
     {
       "name": "content_data_api_dlx",
       "vhost": "publishing",
@@ -414,6 +464,22 @@
       "destination_type": "queue",
       "routing_key": "*.unpublish.#",
       "arguments": {}
+    },
+    {
+      "source": "govuk_chat_retry_dlx",
+      "vhost": "publishing",
+      "destination": "govuk_chat_retry",
+      "destination_type": "queue",
+      "routing_key": "#",
+      "arguments": {}
+    },
+    {
+      "source": "govuk_chat_dlx",
+      "vhost": "publishing",
+      "destination": "govuk_chat_published_documents",
+      "destination_type": "queue",
+      "routing_key": "#",
+      "arguments": {}
     }
   ]
 }
diff --git a/terraform/projects/app-publishing-amazonmq/variables.tf b/terraform/projects/app-publishing-amazonmq/variables.tf
index c162d968f..1c34d9773 100644
--- a/terraform/projects/app-publishing-amazonmq/variables.tf
+++ b/terraform/projects/app-publishing-amazonmq/variables.tf
@@ -45,6 +45,12 @@ variable "publishing_amazonmq_broker_name" {
   default     = "PublishingMQ"
 }
 
+variable "govuk_chat_retry_message-ttl" {
+  type        = string
+  description = "Time in miliseconds before messages in the govuk_chat_retry queue expires and are sent back to the govuk_chat_published_ducoments queue through the dead letter mechanism"
+  default     = "300000"
+}
+
 variable "elb_internal_certname" {
   type        = string
   description = "The ACM cert domain name to find the ARN of, so that it can be applied to the Network Load Balancer"