diff --git a/kombu/transport/gcpubsub.py b/kombu/transport/gcpubsub.py
index b47f620837..b4594f2d07 100644
--- a/kombu/transport/gcpubsub.py
+++ b/kombu/transport/gcpubsub.py
@@ -356,6 +356,7 @@ def _put(self, queue, message, **kwargs):
             qdesc.topic_path,
             encoded_message.encode("utf-8"),
             routing_key=routing_key,
+            retry=Retry(deadline=self.retry_timeout_seconds),
         )
 
     def _put_fanout(self, exchange, message, routing_key, **kwargs):
diff --git a/t/unit/transport/test_gcpubsub.py b/t/unit/transport/test_gcpubsub.py
index 504eb50a4e..1c0e81b939 100644
--- a/t/unit/transport/test_gcpubsub.py
+++ b/t/unit/transport/test_gcpubsub.py
@@ -3,12 +3,13 @@
 from concurrent.futures import Future
 from datetime import datetime
 from queue import Empty
-from unittest.mock import MagicMock, call, patch
+from unittest.mock import ANY, MagicMock, call, patch
 
 import pytest
 from _socket import timeout as socket_timeout
 from google.api_core.exceptions import (AlreadyExists, DeadlineExceeded,
                                         PermissionDenied)
+from google.api_core.retry import Retry
 from google.pubsub_v1.types.pubsub import Subscription
 
 from kombu.transport.gcpubsub import (AtomicCounter, Channel, QueueDescriptor,
@@ -328,8 +329,37 @@ def test_put(self, channel):
         )
         channel._get_routing_key = MagicMock(return_value="test_key")
         channel.publisher.publish = MagicMock()
+        channel.retry_timeout_seconds = 300
         channel._put(queue, message)
-        channel.publisher.publish.assert_called_once()
+        channel.publisher.publish.assert_called_once_with(
+            "topic_path",
+            ANY,
+            routing_key="test_key",
+            retry=ANY,
+        )
+        call_kwargs = channel.publisher.publish.call_args[1]
+        assert isinstance(call_kwargs['retry'], Retry)
+        assert call_kwargs['retry']._timeout == 300
+
+    def test_put_uses_custom_retry_timeout(self, channel):
+        queue = "test_queue"
+        message = {
+            "properties": {"delivery_info": {"routing_key": "test_key"}}
+        }
+        channel.entity_name = MagicMock(return_value=queue)
+        channel._queue_cache[channel.entity_name(queue)] = QueueDescriptor(
+            name=queue,
+            topic_path="topic_path",
+            subscription_id=queue,
+            subscription_path="subscription_path",
+        )
+        channel._get_routing_key = MagicMock(return_value="test_key")
+        channel.publisher.publish = MagicMock()
+        channel.retry_timeout_seconds = 60
+        channel._put(queue, message)
+        call_kwargs = channel.publisher.publish.call_args[1]
+        assert isinstance(call_kwargs['retry'], Retry)
+        assert call_kwargs['retry']._timeout == 60
 
     def test_put_fanout(self, channel):
         exchange = "test_exchange"