Magento 2 – Problem Updating from 2.1.9 to 2.2.0

I'm trying to update magento2 from 2.1.9 to 2.2.0. But, I have got issue.
What I did.

composer require magento/product-community-edition 2.2.0
–no-update

./composer.json has been updated

composer update

Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - magento/data-migration-tool 2.1.4 requires magento/framework ~100.1 -> satisfiable by magento/framework[100.1.9, 100.1.0-rc1, 100.1.0-rc2, 100.1.0-rc3, 100.1.0, 100.1.1, 100.1.2, 100.1.3, 100.1.4, 100.1.5, 100.1.6, 100.1.7, 100.1.8, 100.2.0-rc20].
    - magento/data-migration-tool 2.1.4 requires magento/framework ~100.1 -> satisfiable by magento/framework[100.1.9, 100.1.0-rc1, 100.1.0-rc2, 100.1.0-rc3, 100.1.0, 100.1.1, 100.1.2, 100.1.3, 100.1.4, 100.1.5, 100.1.6, 100.1.7, 100.1.8, 100.2.0-rc20].
    - magento/data-migration-tool 2.1.4 requires magento/framework ~100.1 -> satisfiable by magento/framework[100.1.9, 100.1.0-rc1, 100.1.0-rc2, 100.1.0-rc3, 100.1.0, 100.1.1, 100.1.2, 100.1.3, 100.1.4, 100.1.5, 100.1.6, 100.1.7, 100.1.8, 100.2.0-rc20].
    - Can only install one of: magento/framework[101.0.0, 100.1.9].
    - Can only install one of: magento/framework[101.0.0, 100.1.0-rc1].
    - Can only install one of: magento/framework[101.0.0, 100.1.0-rc2].
    - Can only install one of: magento/framework[101.0.0, 100.1.0-rc3].
    - Can only install one of: magento/framework[101.0.0, 100.1.0].
    - Can only install one of: magento/framework[101.0.0, 100.1.1].
    - Can only install one of: magento/framework[101.0.0, 100.1.2].
    - Can only install one of: magento/framework[101.0.0, 100.1.3].
    - Can only install one of: magento/framework[101.0.0, 100.1.4].
    - Can only install one of: magento/framework[101.0.0, 100.1.5].
    - Can only install one of: magento/framework[101.0.0, 100.1.6].
    - Can only install one of: magento/framework[101.0.0, 100.1.7].
    - Can only install one of: magento/framework[101.0.0, 100.1.8].
    - Can only install one of: magento/framework[101.0.0, 100.2.0-rc20].
    - Can only install one of: magento/framework[101.0.0, 100.1.9].
    - magento/product-community-edition 2.2.0 requires magento/framework 101.0.0 -> satisfiable by magento/framework[101.0.0].
    - Installation request for magento/product-community-edition 2.2.0 -> satisfiable by magento/product-community-edition[2.2.0].
    - Installation request for magento/data-migration-tool 2.1.4 -> satisfiable by magento/data-migration-tool[2.1.4].

My composer.json is

{
    "name": "magento/project-community-edition",
    "description": "eCommerce Platform for Growth (Community Edition)",
    "type": "project",
    "version": "2.1.0",
    "license": [
        "OSL-3.0",
        "AFL-3.0"
    ],
    "require": {
        "magento/product-community-edition": "2.2.0",
        "composer/composer": "@alpha",
        "magento/data-migration-tool": "2.1.4",
        "fooman/googleanalyticsplus-m2": "^2.0",
        "tinify/magento2": "^1.1"
    },
    "require-dev": {
        "phpunit/phpunit": "4.1.0",
        "squizlabs/php_codesniffer": "1.5.3",
        "phpmd/phpmd": "@stable",
        "pdepend/pdepend": "2.2.2",
        "fabpot/php-cs-fixer": "~1.2",
        "lusitanian/oauth": "~0.3 <=0.7.0",
        "sebastian/phpcpd": "2.0.0"
    },
    "config": {
        "use-include-path": true
    },
    "autoload": {
        "psr-4": {
            "Magento\\Framework\\": "lib/internal/Magento/Framework/",
            "Magento\\Setup\\": "setup/src/Magento/Setup/",
            "Magento\\": "app/code/Magento/"
        },
        "psr-0": {
            "": "app/code/"
        },
        "files": [
            "app/etc/NonComposerComponentRegistration.php"
        ]
    },
    "autoload-dev": {
        "psr-4": {
            "Magento\\Sniffs\\": "dev/tests/static/framework/Magento/Sniffs/",
            "Magento\\Tools\\": "dev/tools/Magento/Tools/",
            "Magento\\Tools\\Sanity\\": "dev/build/publication/sanity/Magento/Tools/Sanity/",
            "Magento\\TestFramework\\Inspection\\": "dev/tests/static/framework/Magento/TestFramework/Inspection/",
            "Magento\\TestFramework\\Utility\\": "dev/tests/static/framework/Magento/TestFramework/Utility/"
        }
    },
    "minimum-stability": "alpha",
    "prefer-stable": true,
    "repositories": {
        "0": {
            "type": "composer",
            "url": "https://repo.magento.com/"
        },
        "data-migration-tool": {
            "type": "git",
            "url": "https://github.com/magento/data-migration-tool"
        },
        "foomanartifacts": {
            "type": "artifact",
            "url": "vendor/fooman/packages"
        }
    },
    "extra": {
        "magento-force": "override"
    }
}

Maybe someone can help me with this issue.
Thanks.