diff --git a/module/Rest/config/dependencies.config.php b/module/Rest/config/dependencies.config.php
index 5ef1ecba..98a26bc1 100644
--- a/module/Rest/config/dependencies.config.php
+++ b/module/Rest/config/dependencies.config.php
@@ -27,9 +27,9 @@ return [
             Action\ShortUrl\EditShortUrlAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\DeleteShortUrlAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\ResolveShortUrlAction::class => ConfigAbstractFactory::class,
-            Action\Visit\GetVisitsAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\ListShortUrlsAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\EditShortUrlTagsAction::class => ConfigAbstractFactory::class,
+            Action\Visit\GetVisitsAction::class => ConfigAbstractFactory::class,
             Action\Tag\ListTagsAction::class => ConfigAbstractFactory::class,
             Action\Tag\DeleteTagsAction::class => ConfigAbstractFactory::class,
             Action\Tag\CreateTagsAction::class => ConfigAbstractFactory::class,
diff --git a/module/Rest/test-api/Action/UpdateTagActionTest.php b/module/Rest/test-api/Action/UpdateTagActionTest.php
new file mode 100644
index 00000000..0f7c0400
--- /dev/null
+++ b/module/Rest/test-api/Action/UpdateTagActionTest.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioApiTest\Shlink\Rest\Action;
+
+use GuzzleHttp\RequestOptions;
+use Shlinkio\Shlink\Rest\Util\RestUtils;
+use Shlinkio\Shlink\TestUtils\ApiTest\ApiTestCase;
+
+class UpdateTagActionTest extends ApiTestCase
+{
+    /**
+     * @test
+     * @dataProvider provideInvalidBody
+     */
+    public function notProvidingTagsReturnsBadRequest(array $body): void
+    {
+        $resp = $this->callApiWithKey(self::METHOD_PUT, '/tags', [RequestOptions::JSON => $body]);
+        ['error' => $error] = $this->getJsonResponsePayload($resp);
+
+        $this->assertEquals(self::STATUS_BAD_REQUEST, $resp->getStatusCode());
+        $this->assertEquals(RestUtils::INVALID_ARGUMENT_ERROR, $error);
+    }
+
+    public function provideInvalidBody(): iterable
+    {
+        yield [[]];
+        yield [['oldName' => 'foo']];
+        yield [['newName' => 'foo']];
+    }
+
+    /** @test */
+    public function tryingToRenameInvalidTagReturnsNotFound(): void
+    {
+        $resp = $this->callApiWithKey(self::METHOD_PUT, '/tags', [RequestOptions::JSON => [
+            'oldName' => 'invalid_tag',
+            'newName' => 'foo',
+        ]]);
+        ['error' => $error] = $this->getJsonResponsePayload($resp);
+
+        $this->assertEquals(self::STATUS_NOT_FOUND, $resp->getStatusCode());
+        $this->assertEquals(RestUtils::NOT_FOUND_ERROR, $error);
+    }
+}