change min stability

Author: goetas

.travis.yml

@@ -24,12 +24,12 @@ matrix:
     - php: 7.1
       env: SYMFONY_VERSION='~4.0@dev'
     - php: 5.5
-      env: 'COMPOSER_FLAGS="--prefer-lowest"'
+      env: 'COMPOSER_FLAGS="--prefer-lowest --prefer-stable "'
 
 before_script:
   - if [[ "$TRAVIS_PHP_VERSION" != "hhvm" ]]; then echo "memory_limit = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi
   - if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/symfony=$SYMFONY_VERSION; fi
-  - composer update ${COMPOSER_FLAGS} --prefer-stable --no-interaction
+  - composer update ${COMPOSER_FLAGS} --no-interaction
 
 script:
   - vendor/bin/phpunit --coverage-clover clover

composer.json

@@ -37,7 +37,6 @@
         "symfony/validator": "*",
         "symfony/stopwatch": "*"
     },
-    "minimum-stability": "dev",
     "suggest": {
         "jms/di-extra-bundle": "Required to get lazy loading (de)serialization visitors, ~1.3"
     },