diff --git a/.travis.yml b/.travis.yml
index 088de9fec4..7205200d85 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -79,7 +79,7 @@ install:
     - export COMPOSER_ROOT_VERSION=$SYMFONY_VERSION.x-dev
     - if [[ ! $skip && $deps ]]; then export SYMFONY_DEPRECATIONS_HELPER=weak; fi
     - if [[ ! $skip && $deps ]]; then mv composer.json.phpunit composer.json; fi
-    - if [[ ! $skip ]]; then composer update; fi
+    - if [[ ! $skip ]]; then composer update --no-suggest; fi
     - if [[ ! $skip ]]; then ./phpunit install; fi
     - if [[ ! $skip && ! $PHP = hhvm* ]]; then php -i; else hhvm --php -r 'print_r($_SERVER);print_r(ini_get_all());'; fi
 
@@ -90,5 +90,5 @@ script:
     - if [[ ! $deps && ! $PHP = hhvm* ]]; then echo -e "\\nRunning tests requiring tty"; $PHPUNIT --group tty; fi
     - if [[ ! $deps && $PHP = hhvm* ]]; then $PHPUNIT --exclude-group benchmark,intl-data; fi
     - if [[ ! $deps && $PHP = ${MIN_PHP%.*} ]]; then echo -e "1\\n0" | xargs -I{} sh -c 'echo "\\nPHP --enable-sigchild enhanced={}" && ENHANCE_SIGCHLD={} php-$MIN_PHP/sapi/cli/php .phpunit/phpunit-4.8/phpunit --colors=always src/Symfony/Component/Process/'; fi
-    - if [[ $deps = high ]]; then echo "$COMPONENTS" | parallel --gnu -j10% 'cd {}; composer update --no-progress --ansi; $PHPUNIT --exclude-group tty,benchmark,intl-data'$LEGACY"$REPORT"; fi
-    - if [[ $deps = low ]]; then echo "$COMPONENTS" | parallel --gnu -j10% 'cd {}; composer update --no-progress --ansi --prefer-lowest --prefer-stable; $PHPUNIT --exclude-group tty,benchmark,intl-data'"$REPORT"; fi
+    - if [[ $deps = high ]]; then echo "$COMPONENTS" | parallel --gnu -j10% 'cd {}; composer update --no-progress --no-suggest --ansi; $PHPUNIT --exclude-group tty,benchmark,intl-data'$LEGACY"$REPORT"; fi
+    - if [[ $deps = low ]]; then echo "$COMPONENTS" | parallel --gnu -j10% 'cd {}; composer update --no-progress --no-suggest --ansi --prefer-lowest --prefer-stable; $PHPUNIT --exclude-group tty,benchmark,intl-data'"$REPORT"; fi
diff --git a/appveyor.yml b/appveyor.yml
index 5f3953ed8a..86a943c77c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -53,7 +53,7 @@ install:
     - copy /Y .composer\* %APPDATA%\Composer\
     - php .github/build-packages.php "HEAD^" src\Symfony\Bridge\PhpUnit
     - IF %APPVEYOR_REPO_BRANCH%==master (SET COMPOSER_ROOT_VERSION=dev-master) ELSE (SET COMPOSER_ROOT_VERSION=%APPVEYOR_REPO_BRANCH%.x-dev)
-    - php composer.phar update --no-progress --ansi
+    - php composer.phar update --no-progress --no-suggest --ansi
     - php phpunit install
 
 test_script: