diff --git a/.travis.yml b/.travis.yml
index 18e806a..37e196f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ php:
   # 5.5 and 5.6 are already covered by the jobs running against specific Symfony versions. no need to duplicate them here
   - 7.0
   - 7.1
+  - 7.2
 
 matrix:
   include:
@@ -19,15 +20,15 @@ matrix:
       dist: precise
     # force testing against Symfony LTS versions
     - php: 5.5
-      env: SYMFONY_VERSION=2.7.*
+      env: SYMFONY_VERSION=^2
     - php: 5.6
-      env: SYMFONY_VERSION=2.8.*
+      env: SYMFONY_VERSION=^3
     # Test against lowest dependencies
     - php: 5.6
       env: COMPOSER_FLAGS='--prefer-lowest --prefer-stable'
 
 before_install:
-  - if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/symfony=$SYMFONY_VERSION; fi
+  - if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/lts=$SYMFONY_VERSION; fi
 
 install:
   - composer update $COMPOSER_FLAGS
diff --git a/composer.json b/composer.json
index bdf0e2d..f7384cf 100755
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name":         "keen-io/keen-io-bundle",
     "type":         "symfony-bundle",
-    "description":  "Symfony2 Bundle for Keen IO",
+    "description":  "Symfony Bundle for Keen IO",
     "keywords":     ["keen", "keen.io", "events", "analytics", "symfony", "bundle" ],
     "homepage":     "https://github.com/keenlabs/KeenClient-PHP-Sf2",
     "license":      "MIT",
@@ -19,13 +19,13 @@
     "require":     {
         "php":                      ">=5.3.3",
         "keen-io/keen-io":          "~2.1",
-        "symfony/config": "~2.3 || ~3.0",
-        "symfony/dependency-injection": "~2.3 || ~3.0",
-        "symfony/http-kernel": "~2.3 || ~3.0"
+        "symfony/config": "^2.3 || ^3.0 || ^4.0",
+        "symfony/dependency-injection": "^2.3 || ^3.0 || ^4.0",
+        "symfony/http-kernel": "^2.3 || ^3.0 || ^4.0"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "~3.3",
-        "symfony/yaml": "~2.3 || ~3.0",
+        "symfony/phpunit-bridge": "^4.0",
+        "symfony/yaml": "^2.3 || ^3.0 || ^4.0",
         "phpunit/phpunit": "~4.8.35 || ~5.7 || ~6"
     },
     "autoload": {
diff --git a/src/KeenIOBundle.php b/src/KeenIOBundle.php
index dc00872..d015270 100755
--- a/src/KeenIOBundle.php
+++ b/src/KeenIOBundle.php
@@ -5,5 +5,4 @@
 
 class KeenIOBundle extends Bundle
 {
-
 }
diff --git a/tests/DependencyInjection/KeenIOExtensionTest.php b/tests/DependencyInjection/KeenIOExtensionTest.php
index bcb57ff..caaba09 100644
--- a/tests/DependencyInjection/KeenIOExtensionTest.php
+++ b/tests/DependencyInjection/KeenIOExtensionTest.php
@@ -22,7 +22,7 @@ class KeenIOExtensionTest extends TestCase
      */
     private $container;
 
-    public function setUp()
+    protected function setUp()
     {
         $this->extension = new KeenIOExtension();
         $this->container = new ContainerBuilder();