diff --git a/.travis.yml b/.travis.yml
index 02ee959..1a9df4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,8 +17,9 @@ before_install:
     - phpenv config-rm xdebug.ini || true
 
 install:
-    - composer require symfony/http-kernel:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer require symfony/dotenv:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
+    - composer require symfony/http-kernel:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
+    - composer require symfony/proxy-manager-bridge:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer require --dev symfony/framework-bundle:${SYMFONY_VERSION} --no-update --no-scripts --prefer-dist
     - composer update --prefer-dist