diff --git a/.travis.yml b/.travis.yml
index 5a3b11b9ba..0f5fea9c62 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,4 +40,4 @@ script:
   # Ignore Setup group temporarily, @see https://www.drupal.org/node/2962157
   - ./../vendor/bin/phpunit -c core --testsuite unit --exclude-group Composer,DependencyInjection,PageCache,Setup
   - ./../vendor/bin/drush
-  - if [[ $RELEASE = stable ]]; then ./../vendor/bin/drupal; fi;
+  - if [[ $RELEASE = stable ]]; then php -d memory_limit=-1 ./../vendor/bin/drupal; fi;
diff --git a/README.md b/README.md
index 114dfaaa71..02a1e1f652 100644
--- a/README.md
+++ b/README.md
@@ -14,25 +14,25 @@ the [Documentation on drupal.org](https://www.drupal.org/node/2471553).
 First you need to [install composer](https://getcomposer.org/doc/00-intro.md#installation-linux-unix-osx).
 
 > Note: The instructions below refer to the [global composer installation](https://getcomposer.org/doc/00-intro.md#globally).
-You might need to replace `composer` with `php composer.phar` (or similar) 
+You might need to replace `composer` with `php composer.phar` (or similar)
 for your setup.
 
 After that you can create the project:
 
 ```
-composer create-project drupal-composer/drupal-project:8.x-dev some-dir --no-interaction
+composer create-project drupal-composer/drupal-project:^8.0@dev some-dir --no-interaction
 ```
 
-With `composer require ...` you can download new dependencies to your 
+With `composer require ...` you can download new dependencies to your
 installation.
 
 ```
 cd some-dir
-composer require drupal/devel:~1.0
+composer require drupal/devel:^1.0
 ```
 
-The `composer create-project` command passes ownership of all files to the 
-project that is created. You should create a new git repository, and commit 
+The `composer create-project` command passes ownership of all files to the
+project that is created. You should create a new git repository, and commit
 all files not excluded by the .gitignore file.
 
 ## What does the template do?
@@ -53,26 +53,26 @@ When installing the given `composer.json` some tasks are taken care of:
 
 ## Updating Drupal Core
 
-This project will attempt to keep all of your Drupal Core files up-to-date; the 
-project [drupal-composer/drupal-scaffold](https://github.com/drupal-composer/drupal-scaffold) 
-is used to ensure that your scaffold files are updated every time drupal/core is 
-updated. If you customize any of the "scaffolding" files (commonly .htaccess), 
-you may need to merge conflicts if any of your modified files are updated in a 
+This project will attempt to keep all of your Drupal Core files up-to-date; the
+project [drupal-composer/drupal-scaffold](https://github.com/drupal-composer/drupal-scaffold)
+is used to ensure that your scaffold files are updated every time drupal/core is
+updated. If you customize any of the "scaffolding" files (commonly .htaccess),
+you may need to merge conflicts if any of your modified files are updated in a
 new release of Drupal core.
 
 Follow the steps below to update your core files.
 
 1. Run `composer update drupal/core webflo/drupal-core-require-dev "symfony/*" --with-dependencies` to update Drupal Core and its dependencies.
-1. Run `git diff` to determine if any of the scaffolding files have changed. 
-   Review the files for any changes and restore any customizations to 
+1. Run `git diff` to determine if any of the scaffolding files have changed.
+   Review the files for any changes and restore any customizations to
   `.htaccess` or `robots.txt`.
 1. Commit everything all together in a single commit, so `web` will remain in
    sync with the `core` when checking out branches or running `git bisect`.
-1. In the event that there are non-trivial conflicts in step 2, you may wish 
-   to perform these steps on a branch, and use `git merge` to combine the 
-   updated core files with your customized files. This facilitates the use 
-   of a [three-way merge tool such as kdiff3](http://www.gitshah.com/2010/12/how-to-setup-kdiff-as-diff-tool-for-git.html). This setup is not necessary if your changes are simple; 
-   keeping all of your modifications at the beginning or end of the file is a 
+1. In the event that there are non-trivial conflicts in step 2, you may wish
+   to perform these steps on a branch, and use `git merge` to combine the
+   updated core files with your customized files. This facilitates the use
+   of a [three-way merge tool such as kdiff3](http://www.gitshah.com/2010/12/how-to-setup-kdiff-as-diff-tool-for-git.html). This setup is not necessary if your changes are simple;
+   keeping all of your modifications at the beginning or end of the file is a
    good strategy to keep merges easy.
 
 ## Generate composer.json from existing project
@@ -86,7 +86,7 @@ that the generated `composer.json` might differ from this project's file.
 
 ### Should I commit the contrib modules I download?
 
-Composer recommends **no**. They provide [argumentation against but also 
+Composer recommends **no**. They provide [argumentation against but also
 workrounds if a project decides to do it anyway](https://getcomposer.org/doc/faqs/should-i-commit-the-dependencies-in-my-vendor-directory.md).
 
 ### Should I commit the scaffolding files?
@@ -111,11 +111,11 @@ achieve that by registering `@composer drupal:scaffold` as post-install and post
 ```
 ### How can I apply patches to downloaded modules?
 
-If you need to apply patches (depending on the project being modified, a pull 
-request is often a better solution), you can do so with the 
+If you need to apply patches (depending on the project being modified, a pull
+request is often a better solution), you can do so with the
 [composer-patches](https://github.com/cweagans/composer-patches) plugin.
 
-To add a patch to drupal module foobar insert the patches section in the extra 
+To add a patch to drupal module foobar insert the patches section in the extra
 section of composer.json:
 ```json
 "extra": {
diff --git a/composer.json b/composer.json
index 0419896aef..67fc34562e 100644
--- a/composer.json
+++ b/composer.json
@@ -16,26 +16,28 @@
         }
     ],
     "require": {
-        "php": ">=5.6",
+        "php": "^5.6|^7.0",
         "composer/installers": "^1.2",
         "cweagans/composer-patches": "^1.6.5",
         "drupal-composer/drupal-scaffold": "^2.5",
         "drupal/console": "^1.0.2",
-        "drupal/core": "^8.7.0",
-        "drush/drush": "^9.0.0",
+        "drupal/core": "^8.7",
+        "drush/drush": "^9",
         "vlucas/phpdotenv": "^2.4",
-        "webflo/drupal-finder": "^1.0.0",
+        "webflo/drupal-finder": "^1",
         "webmozart/path-util": "^2.3",
-        "zaporylie/composer-drupal-optimizations": "^1.0"
+        "zaporylie/composer-drupal-optimizations": "^1"
     },
     "require-dev": {
-        "webflo/drupal-core-require-dev": "^8.7.0"
+        "behat/mink": "^1.7@dev",
+        "behat/mink-selenium2-driver": "^1.3@dev",
+        "friendsofphp/php-cs-fixer": "^2.15",
+        "phpunit/phpunit": "^6.5",
+        "webflo/drupal-core-require-dev": "^8.7"
     },
     "conflict": {
         "drupal/drupal": "*"
     },
-    "minimum-stability": "dev",
-    "prefer-stable": true,
     "config": {
         "sort-packages": true
     },