diff --git a/composer.json b/composer.json
index 41119da..892adb9 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,8 @@
     "license": "MIT",
     "require": {
         "php": "^8.2",
-        "keboola/kbc-project-backup": "^1.13",
+        "google/apiclient": "^2.18",
+        "keboola/kbc-project-backup": "dev-PST-2374-ondra",
         "keboola/php-component": "^10.1",
         "keboola/php-file-storage-utils": "^0.2.6",
         "microsoft/azure-storage-blob": "^1.5"
diff --git a/composer.lock b/composer.lock
index e70a36e..a980c0f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "47d78d9aac0d0465e861af0b379c523d",
+    "content-hash": "c2bc9454cad7592a8009707cd6ebcaf8",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -281,6 +281,119 @@
             },
             "time": "2024-05-18T18:05:11+00:00"
         },
+        {
+            "name": "google/apiclient",
+            "version": "v2.18.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/googleapis/google-api-php-client.git",
+                "reference": "d8d201ba8a189a3cd7fb34e4da569f2ed440eee7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/googleapis/google-api-php-client/zipball/d8d201ba8a189a3cd7fb34e4da569f2ed440eee7",
+                "reference": "d8d201ba8a189a3cd7fb34e4da569f2ed440eee7",
+                "shasum": ""
+            },
+            "require": {
+                "firebase/php-jwt": "^6.0",
+                "google/apiclient-services": "~0.350",
+                "google/auth": "^1.37",
+                "guzzlehttp/guzzle": "^7.4.5",
+                "guzzlehttp/psr7": "^2.6",
+                "monolog/monolog": "^2.9||^3.0",
+                "php": "^8.0",
+                "phpseclib/phpseclib": "^3.0.36"
+            },
+            "require-dev": {
+                "cache/filesystem-adapter": "^1.1",
+                "composer/composer": "^1.10.23",
+                "phpcompatibility/php-compatibility": "^9.2",
+                "phpspec/prophecy-phpunit": "^2.1",
+                "phpunit/phpunit": "^9.6",
+                "squizlabs/php_codesniffer": "^3.8",
+                "symfony/css-selector": "~2.1",
+                "symfony/dom-crawler": "~2.1"
+            },
+            "suggest": {
+                "cache/filesystem-adapter": "For caching certs and tokens (using Google\\Client::setCache)"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "2.x-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/aliases.php"
+                ],
+                "psr-4": {
+                    "Google\\": "src/"
+                },
+                "classmap": [
+                    "src/aliases.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "description": "Client library for Google APIs",
+            "homepage": "http://developers.google.com/api-client-library/php",
+            "keywords": [
+                "google"
+            ],
+            "support": {
+                "issues": "https://github.com/googleapis/google-api-php-client/issues",
+                "source": "https://github.com/googleapis/google-api-php-client/tree/v2.18.2"
+            },
+            "time": "2024-12-16T22:52:40+00:00"
+        },
+        {
+            "name": "google/apiclient-services",
+            "version": "v0.390.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/googleapis/google-api-php-client-services.git",
+                "reference": "2c1ff37aea15dd9e7a434c4fcbec777d9421385c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/googleapis/google-api-php-client-services/zipball/2c1ff37aea15dd9e7a434c4fcbec777d9421385c",
+                "reference": "2c1ff37aea15dd9e7a434c4fcbec777d9421385c",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.6"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "autoload.php"
+                ],
+                "psr-4": {
+                    "Google\\Service\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "description": "Client library for Google APIs",
+            "homepage": "http://developers.google.com/api-client-library/php",
+            "keywords": [
+                "google"
+            ],
+            "support": {
+                "issues": "https://github.com/googleapis/google-api-php-client-services/issues",
+                "source": "https://github.com/googleapis/google-api-php-client-services/tree/v0.390.0"
+            },
+            "time": "2025-01-12T01:00:53+00:00"
+        },
         {
             "name": "google/auth",
             "version": "v1.42.0",
@@ -1216,16 +1329,16 @@
         },
         {
             "name": "keboola/kbc-project-backup",
-            "version": "1.13.0",
+            "version": "dev-PST-2374-ondra",
             "source": {
                 "type": "git",
                 "url": "https://github.com/keboola/php-kbc-project-backup.git",
-                "reference": "38a5214a202e3c3a7214c198a64797326cb9a8ee"
+                "reference": "006c52efa0089a40be57b8f02f8117d90a73d7c8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/keboola/php-kbc-project-backup/zipball/38a5214a202e3c3a7214c198a64797326cb9a8ee",
-                "reference": "38a5214a202e3c3a7214c198a64797326cb9a8ee",
+                "url": "https://api.github.com/repos/keboola/php-kbc-project-backup/zipball/006c52efa0089a40be57b8f02f8117d90a73d7c8",
+                "reference": "006c52efa0089a40be57b8f02f8117d90a73d7c8",
                 "shasum": ""
             },
             "require": {
@@ -1271,9 +1384,9 @@
             "description": "Backup KBC project",
             "support": {
                 "issues": "https://github.com/keboola/php-kbc-project-backup/issues",
-                "source": "https://github.com/keboola/php-kbc-project-backup/tree/1.13.0"
+                "source": "https://github.com/keboola/php-kbc-project-backup/tree/PST-2374-ondra"
             },
-            "time": "2025-01-11T21:27:54+00:00"
+            "time": "2025-01-13T20:32:02+00:00"
         },
         {
             "name": "keboola/notification-api-php-client",
@@ -1947,6 +2060,233 @@
             ],
             "time": "2022-08-04T09:53:51+00:00"
         },
+        {
+            "name": "paragonie/constant_time_encoding",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/paragonie/constant_time_encoding.git",
+                "reference": "df1e7fde177501eee2037dd159cf04f5f301a512"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/df1e7fde177501eee2037dd159cf04f5f301a512",
+                "reference": "df1e7fde177501eee2037dd159cf04f5f301a512",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9",
+                "vimeo/psalm": "^4|^5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ParagonIE\\ConstantTime\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paragon Initiative Enterprises",
+                    "email": "security@paragonie.com",
+                    "homepage": "https://paragonie.com",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "Steve 'Sc00bz' Thomas",
+                    "email": "steve@tobtu.com",
+                    "homepage": "https://www.tobtu.com",
+                    "role": "Original Developer"
+                }
+            ],
+            "description": "Constant-time Implementations of RFC 4648 Encoding (Base-64, Base-32, Base-16)",
+            "keywords": [
+                "base16",
+                "base32",
+                "base32_decode",
+                "base32_encode",
+                "base64",
+                "base64_decode",
+                "base64_encode",
+                "bin2hex",
+                "encoding",
+                "hex",
+                "hex2bin",
+                "rfc4648"
+            ],
+            "support": {
+                "email": "info@paragonie.com",
+                "issues": "https://github.com/paragonie/constant_time_encoding/issues",
+                "source": "https://github.com/paragonie/constant_time_encoding"
+            },
+            "time": "2024-05-08T12:36:18+00:00"
+        },
+        {
+            "name": "paragonie/random_compat",
+            "version": "v9.99.100",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/paragonie/random_compat.git",
+                "reference": "996434e5492cb4c3edcb9168db6fbb1359ef965a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/996434e5492cb4c3edcb9168db6fbb1359ef965a",
+                "reference": "996434e5492cb4c3edcb9168db6fbb1359ef965a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">= 7"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.*|5.*",
+                "vimeo/psalm": "^1"
+            },
+            "suggest": {
+                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Paragon Initiative Enterprises",
+                    "email": "security@paragonie.com",
+                    "homepage": "https://paragonie.com"
+                }
+            ],
+            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
+            "keywords": [
+                "csprng",
+                "polyfill",
+                "pseudorandom",
+                "random"
+            ],
+            "support": {
+                "email": "info@paragonie.com",
+                "issues": "https://github.com/paragonie/random_compat/issues",
+                "source": "https://github.com/paragonie/random_compat"
+            },
+            "time": "2020-10-15T08:29:30+00:00"
+        },
+        {
+            "name": "phpseclib/phpseclib",
+            "version": "3.0.43",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpseclib/phpseclib.git",
+                "reference": "709ec107af3cb2f385b9617be72af8cf62441d02"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/709ec107af3cb2f385b9617be72af8cf62441d02",
+                "reference": "709ec107af3cb2f385b9617be72af8cf62441d02",
+                "shasum": ""
+            },
+            "require": {
+                "paragonie/constant_time_encoding": "^1|^2|^3",
+                "paragonie/random_compat": "^1.4|^2.0|^9.99.99",
+                "php": ">=5.6.1"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "*"
+            },
+            "suggest": {
+                "ext-dom": "Install the DOM extension to load XML formatted public keys.",
+                "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.",
+                "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.",
+                "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.",
+                "ext-openssl": "Install the OpenSSL extension in order to speed up a wide variety of cryptographic operations."
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "phpseclib/bootstrap.php"
+                ],
+                "psr-4": {
+                    "phpseclib3\\": "phpseclib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jim Wigginton",
+                    "email": "terrafrost@php.net",
+                    "role": "Lead Developer"
+                },
+                {
+                    "name": "Patrick Monnerat",
+                    "email": "pm@datasphere.ch",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Andreas Fischer",
+                    "email": "bantu@phpbb.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Hans-Jürgen Petrich",
+                    "email": "petrich@tronic-media.com",
+                    "role": "Developer"
+                },
+                {
+                    "name": "Graham Campbell",
+                    "email": "graham@alt-three.com",
+                    "role": "Developer"
+                }
+            ],
+            "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.",
+            "homepage": "http://phpseclib.sourceforge.net",
+            "keywords": [
+                "BigInteger",
+                "aes",
+                "asn.1",
+                "asn1",
+                "blowfish",
+                "crypto",
+                "cryptography",
+                "encryption",
+                "rsa",
+                "security",
+                "sftp",
+                "signature",
+                "signing",
+                "ssh",
+                "twofish",
+                "x.509",
+                "x509"
+            ],
+            "support": {
+                "issues": "https://github.com/phpseclib/phpseclib/issues",
+                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.43"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/terrafrost",
+                    "type": "github"
+                },
+                {
+                    "url": "https://www.patreon.com/phpseclib",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpseclib/phpseclib",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-12-14T21:12:59+00:00"
+        },
         {
             "name": "psr/cache",
             "version": "3.0.0",
@@ -3214,16 +3554,16 @@
         },
         {
             "name": "symfony/process",
-            "version": "v6.4.8",
+            "version": "v6.4.15",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "8d92dd79149f29e89ee0f480254db595f6a6a2c5"
+                "reference": "3cb242f059c14ae08591c5c4087d1fe443564392"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/8d92dd79149f29e89ee0f480254db595f6a6a2c5",
-                "reference": "8d92dd79149f29e89ee0f480254db595f6a6a2c5",
+                "url": "https://api.github.com/repos/symfony/process/zipball/3cb242f059c14ae08591c5c4087d1fe443564392",
+                "reference": "3cb242f059c14ae08591c5c4087d1fe443564392",
                 "shasum": ""
             },
             "require": {
@@ -3255,7 +3595,7 @@
             "description": "Executes commands in sub-processes",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/process/tree/v6.4.8"
+                "source": "https://github.com/symfony/process/tree/v6.4.15"
             },
             "funding": [
                 {
@@ -3271,7 +3611,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-05-31T14:49:08+00:00"
+            "time": "2024-11-06T14:19:14+00:00"
         },
         {
             "name": "symfony/property-access",
@@ -6086,7 +6426,9 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "keboola/kbc-project-backup": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
diff --git a/src/Application.php b/src/Application.php
index da7b076..573784e 100644
--- a/src/Application.php
+++ b/src/Application.php
@@ -8,8 +8,10 @@
 use Keboola\App\ProjectBackup\Config\Config;
 use Keboola\App\ProjectBackup\Storages\AwsS3Storage;
 use Keboola\App\ProjectBackup\Storages\AzureBlobStorage;
+use Keboola\App\ProjectBackup\Storages\GoogleCloudStorage;
 use Keboola\App\ProjectBackup\Storages\IStorage;
 use Keboola\Component\UserException;
+use Keboola\ProjectBackup\GcsBackup;
 use Keboola\StorageApi\Client as StorageApi;
 use Psr\Log\LoggerInterface;
 
@@ -37,6 +39,9 @@ public function __construct(Config $config, LoggerInterface $logger)
             case Config::STORAGE_BACKEND_ABS:
                 $this->storageBackend = new AzureBlobStorage($config->getAbsConfig(), $logger);
                 break;
+            case Config::STORAGE_BACKEND_GCS:
+                $this->storageBackend = new GoogleCloudStorage($config->getGcsConfig(), $logger);
+                break;
             default:
                 throw new UserException(sprintf(
                     'Unknown storage backend type "%s".',
@@ -73,6 +78,10 @@ public function run(): void
         $backup->backupTriggers();
         $backup->backupNotifications();
         $backup->backupPermanentFiles();
+
+        if ($backup instanceof GcsBackup && !$this->config->isUserDefinedCredentials()) {
+            $backup->backupSignedUrls();
+        }
     }
 
     public function generateReadCredentials(): array
diff --git a/src/Config/Config.php b/src/Config/Config.php
index 48da2bd..4ea6b91 100644
--- a/src/Config/Config.php
+++ b/src/Config/Config.php
@@ -12,6 +12,8 @@ class Config extends BaseConfig
 
     public const STORAGE_BACKEND_ABS = 'abs';
 
+    public const STORAGE_BACKEND_GCS = 'gcs';
+
     public function getBackupId(): string
     {
         return $this->getStringValue(['parameters', 'backupId'], '');
@@ -71,4 +73,9 @@ public function getAbsConfig(): AbsConfig
     {
         return new AbsConfig($this->getCredentialsParameters());
     }
+
+    public function getGcsConfig(): GcsConfig
+    {
+        return new GcsConfig($this->getCredentialsParameters(), $this->isUserDefinedCredentials());
+    }
 }
diff --git a/src/Config/GcsConfig.php b/src/Config/GcsConfig.php
new file mode 100644
index 0000000..c367b13
--- /dev/null
+++ b/src/Config/GcsConfig.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Keboola\App\ProjectBackup\Config;
+
+class GcsConfig
+{
+    private string $jsonKey;
+    private string $bucket;
+    private string $region;
+
+    public function __construct(array $params, readonly bool $isUserDefinedCredentials)
+    {
+        $this->jsonKey = $params['#jsonKey'];
+        $this->bucket = $params['bucket'];
+        $this->region = $params['region'];
+    }
+
+    public function getJsonKey(): string
+    {
+        return $this->jsonKey;
+    }
+
+    public function getBucket(): string
+    {
+        return $this->bucket;
+    }
+
+    public function getRegion(): string
+    {
+        return $this->region;
+    }
+
+    public function isUserDefinedCredentials(): bool
+    {
+        return $this->isUserDefinedCredentials;
+    }
+}
diff --git a/src/Storages/GoogleCloudStorage.php b/src/Storages/GoogleCloudStorage.php
new file mode 100644
index 0000000..c52ddd7
--- /dev/null
+++ b/src/Storages/GoogleCloudStorage.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Keboola\App\ProjectBackup\Storages;
+
+use Google\Auth\Credentials\ServiceAccountCredentials;
+use Google\Auth\HttpHandler\HttpHandlerFactory;
+use Google\Cloud\Storage\StorageClient;
+use Google\Service\CloudSecurityToken;
+use Google\Service\CloudSecurityToken\GoogleIdentityStsV1ExchangeTokenRequest;
+use Google_Client;
+use Keboola\App\ProjectBackup\Config\GcsConfig;
+use Keboola\ProjectBackup\Backup;
+use Keboola\ProjectBackup\GcsBackup;
+use Keboola\StorageApi\Client;
+use Psr\Log\LoggerInterface;
+
+class GoogleCloudStorage implements IStorage
+{
+    public function __construct(readonly GcsConfig $config, readonly LoggerInterface $logger)
+    {
+    }
+
+    public function generateTempReadCredentials(string $backupId, string $path): array
+    {
+        // @TODO
+        return [];
+    }
+
+    public function getBackup(Client $sapi, string $path): Backup
+    {
+        $storageClient = new StorageClient([
+            'keyFile' => json_decode($this->config->getJsonKey(), true),
+        ]);
+
+        return new GcsBackup(
+            sapiClient: $sapi,
+            storageClient: $storageClient,
+            bucketName: $this->config->getBucket(),
+            path: $path,
+            generateSignedUrls: $this->config->isUserDefinedCredentials(),
+            logger: $this->logger,
+        );
+    }
+}