diff --git a/.travis.yml b/.travis.yml
index 4d1d614f..95abda50 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,28 +6,26 @@ cache:
   directories:
     - $HOME/.composer/cache/files
 
-php:
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
-  - hhvm
-
 matrix:
   include:
-    - php: 5.3
-      dist: precise
+    - php: 5.5
+      dist: trusty
+    - php: 5.6
+      dist: trusty      
+    - php: 7.1    
     - php: 7.2
+    - php: 7.3    
+    - php: 7.4
       env: SYMFONY_VERSION='^2'
-    - php: 7.2
+    - php: 7.4
       env: SYMFONY_VERSION='^3'
     # Test against dev dependencies
-    - php: 7.2
-      env: DEPS=dev
-
+    - php: 7.4
+      env: DEPS=dev      
+      
+  
 before_install:
+  - echo "memory_limit=2G" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini  
   - if [ "$SYMFONY_VERSION" != "" ]; then composer require --no-update symfony/lts=$SYMFONY_VERSION; fi;
   - if [ "$DEPS" = 'dev' ]; then composer config minimum-stability dev; fi;
 
diff --git a/composer.json b/composer.json
index 2c0a5242..89e26a66 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "php":          ">=5.3.2",
         "behat/behat":  "^3.0.5",
         "behat/mink":   "^1.5",
-        "symfony/config": "^2.7|^3.0|^4.0"
+        "symfony/config": "^2.7|^3.0|^4.0|^5.0"
     },
 
     "require-dev": {