diff --git a/examples/user-repository-replace-topics-async.php b/examples/user-repository-replace-topics-async.php
new file mode 100644
index 0000000000..24f0afc7be
--- /dev/null
+++ b/examples/user-repository-replace-topics-async.php
@@ -0,0 +1,32 @@
+<?php declare(strict_types=1);
+
+use ApiClients\Client\Github\AsyncClient;
+use ApiClients\Client\Github\Resource\Async\Repository;
+use ApiClients\Client\Github\Resource\UserInterface;
+use React\EventLoop\Factory;
+use function ApiClients\Foundation\resource_pretty_print;
+
+require dirname(__DIR__) . DIRECTORY_SEPARATOR . 'vendor/autoload.php';
+
+$loop = Factory::create();
+$client = AsyncClient::create($loop, require 'resolve_token.php');
+
+$client->user($argv[1] ?? 'WyriHaximus')->then(function (UserInterface $user) use ($argv) {
+    resource_pretty_print($user);
+
+    return $user->repository($argv[2] ?? 'awesome-volkswagen');
+})->then(function (Repository $repository) use ($argv) {
+    resource_pretty_print($repository);
+
+    return $repository->replaceTopics(
+        (string)($argv[3] ?? 'test-' . time()),
+        (string)($argv[4] ?? random_int(100000, 9999999))
+    );
+})->done(function (array $topics) {
+    var_export($topics);
+    echo 'Done!', PHP_EOL;
+}, 'display_throwable');
+
+$loop->run();
+
+displayState($client->getRateLimitState());
diff --git a/src/CommandBus/Command/Repository/ReplaceTopicsCommand.php b/src/CommandBus/Command/Repository/ReplaceTopicsCommand.php
new file mode 100644
index 0000000000..8fab5e2a3b
--- /dev/null
+++ b/src/CommandBus/Command/Repository/ReplaceTopicsCommand.php
@@ -0,0 +1,47 @@
+<?php declare(strict_types=1);
+
+namespace ApiClients\Client\Github\CommandBus\Command\Repository;
+
+use WyriHaximus\Tactician\CommandHandler\Annotations\Handler;
+
+/**
+ * @Handler("ApiClients\Client\Github\CommandBus\Handler\Repository\ReplaceTopicsHandler")
+ */
+final class ReplaceTopicsCommand
+{
+    /**
+     * @var string
+     */
+    private $repository;
+
+    /**
+     * @var string[]
+     */
+    private $topics;
+
+    /**
+     * @param string   $repository
+     * @param string[] $topics
+     */
+    public function __construct($repository, string ...$topics)
+    {
+        $this->repository = $repository;
+        $this->topics = $topics;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRepository(): string
+    {
+        return $this->repository;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getTopics(): array
+    {
+        return $this->topics;
+    }
+}
diff --git a/src/CommandBus/Handler/Repository/ReplaceTopicsHandler.php b/src/CommandBus/Handler/Repository/ReplaceTopicsHandler.php
new file mode 100644
index 0000000000..cab5be31e6
--- /dev/null
+++ b/src/CommandBus/Handler/Repository/ReplaceTopicsHandler.php
@@ -0,0 +1,45 @@
+<?php declare(strict_types=1);
+
+namespace ApiClients\Client\Github\CommandBus\Handler\Repository;
+
+use ApiClients\Client\Github\CommandBus\Command\Repository\ReplaceTopicsCommand;
+use ApiClients\Foundation\Transport\Service\RequestService;
+use ApiClients\Middleware\Json\JsonStream;
+use React\Promise\PromiseInterface;
+use RingCentral\Psr7\Request;
+
+final class ReplaceTopicsHandler
+{
+    /**
+     * @var RequestService
+     */
+    private $requestService;
+
+    /**
+     * @param RequestService $requestService
+     */
+    public function __construct(RequestService $requestService)
+    {
+        $this->requestService = $requestService;
+    }
+
+    /**
+     * @param  ReplaceTopicsCommand $command
+     * @return PromiseInterface
+     */
+    public function handle(ReplaceTopicsCommand $command): PromiseInterface
+    {
+        return $this->requestService->request(
+            new Request(
+                'PUT',
+                'repos/' . $command->getRepository() . '/topics',
+                [],
+                new JsonStream([
+                    'names' => $command->getTopics(),
+                ])
+            )
+        )->then(function ($response) {
+            return $response->getBody()->getJson()['names'];
+        });
+    }
+}
diff --git a/src/Resource/Async/Repository.php b/src/Resource/Async/Repository.php
index 0f714b9740..6d1ec4f7b0 100644
--- a/src/Resource/Async/Repository.php
+++ b/src/Resource/Async/Repository.php
@@ -12,6 +12,7 @@
 use ApiClients\Client\Github\CommandBus\Command\Repository\LabelsCommand;
 use ApiClients\Client\Github\CommandBus\Command\Repository\LanguagesCommand;
 use ApiClients\Client\Github\CommandBus\Command\Repository\ReleasesCommand;
+use ApiClients\Client\Github\CommandBus\Command\Repository\ReplaceTopicsCommand;
 use ApiClients\Client\Github\CommandBus\Command\Repository\SubscribeCommand;
 use ApiClients\Client\Github\CommandBus\Command\Repository\TagsCommand;
 use ApiClients\Client\Github\CommandBus\Command\Repository\UnSubscribeCommand;
@@ -129,4 +130,11 @@ public function unSubscribe(): PromiseInterface
             new UnSubscribeCommand($this->fullName())
         );
     }
+
+    public function replaceTopics(string ...$topics): PromiseInterface
+    {
+        return $this->handleCommand(
+            new ReplaceTopicsCommand($this->fullName(), ...$topics)
+        );
+    }
 }
diff --git a/tests/CommandBus/Handler/Repository/ReplaceTopicsHandlerTest.php b/tests/CommandBus/Handler/Repository/ReplaceTopicsHandlerTest.php
new file mode 100644
index 0000000000..e01decd709
--- /dev/null
+++ b/tests/CommandBus/Handler/Repository/ReplaceTopicsHandlerTest.php
@@ -0,0 +1,45 @@
+<?php declare(strict_types=1);
+
+namespace ApiClients\Tests\Github\CommandBus\Handler\Repository;
+
+use ApiClients\Client\Github\CommandBus\Command\Repository\ReplaceTopicsCommand;
+use ApiClients\Client\Github\CommandBus\Handler\Repository\ReplaceTopicsHandler;
+use ApiClients\Foundation\Transport\Service\RequestService;
+use ApiClients\Middleware\Json\JsonStream;
+use ApiClients\Tools\TestUtilities\TestCase;
+use RingCentral\Psr7\Request;
+use RingCentral\Psr7\Response;
+use function React\Promise\resolve;
+
+final class ReplaceTopicsHandlerTest extends TestCase
+{
+    public function testCommand()
+    {
+        $topics = [
+            'foo',
+            'bar',
+        ];
+        $repository = 'repository';
+        $request = new Request(
+            'PUT',
+            'repos/' . $repository . '/topics',
+            [],
+            new JsonStream([
+                'names' => $topics,
+            ])
+        );
+        $response = new Response(
+            200,
+            [],
+            new JsonStream([
+                'names' => $topics,
+            ])
+        );
+
+        $service = $this->prophesize(RequestService::class);
+        $service->request($request)->shouldBeCalled()->willReturn(resolve($response));
+
+        $handler = new ReplaceTopicsHandler($service->reveal());
+        $handler->handle(new ReplaceTopicsCommand($repository, ...$topics));
+    }
+}