diff --git a/.travis.yml b/.travis.yml
index 34ed55fc..6e5a5fdd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,10 @@ matrix:
   include:
     - php: '7.2'
       env: COMPOSER_FLAGS="--prefer-lowest"
+    - php: '7.3'
+      env: SYMFONY=4.4.*
+    - php: '7.3'
+      env: SYMFONY=5.1.*
     - php: '7.3'
       env: SYMFONY_DEPRECATIONS_HELPER=0
   allow_failures:
diff --git a/composer.json b/composer.json
index a7053e5f..d7d2da18 100644
--- a/composer.json
+++ b/composer.json
@@ -24,13 +24,13 @@
         "jms/metadata": "^2.1",
         "jms/serializer": "^2.0 || ^3.0",
         "sonata-project/doctrine-extensions": "^1.1",
-        "symfony/event-dispatcher": "^4.4 || ^5.0",
-        "symfony/form": "^4.4 || ^5.0",
-        "symfony/options-resolver": "^4.4 || ^5.0",
-        "symfony/property-access": "^4.4 || ^5.0",
-        "symfony/security-csrf": "^4.4 || ^5.0",
-        "symfony/translation": "^4.4 || ^5.0",
-        "symfony/validator": "^4.4 || ^5.0",
+        "symfony/event-dispatcher": "^4.4 || ^5.1",
+        "symfony/form": "^4.4 || ^5.1",
+        "symfony/options-resolver": "^4.4 || ^5.1",
+        "symfony/property-access": "^4.4 || ^5.1",
+        "symfony/security-csrf": "^4.4 || ^5.1",
+        "symfony/translation": "^4.4 || ^5.1",
+        "symfony/validator": "^4.4 || ^5.1",
         "twig/twig": "^2.12 || ^3.0"
     },
     "conflict": {
@@ -40,13 +40,13 @@
         "doctrine/persistence": "^1.1",
         "matthiasnoback/symfony-config-test": "^4.0",
         "matthiasnoback/symfony-dependency-injection-test": "^4.0",
-        "symfony/config": "^4.4 || ^5.0",
-        "symfony/dependency-injection": "^4.4 || ^5.0",
-        "symfony/framework-bundle": "^4.4 || ^5.0",
-        "symfony/http-foundation": "^4.4 || ^5.0",
-        "symfony/http-kernel": "^4.4 || ^5.0",
+        "symfony/config": "^4.4 || ^5.1",
+        "symfony/dependency-injection": "^4.4 || ^5.1",
+        "symfony/framework-bundle": "^4.4 || ^5.1",
+        "symfony/http-foundation": "^4.4 || ^5.1",
+        "symfony/http-kernel": "^4.4 || ^5.1",
         "symfony/phpunit-bridge": "^5.1",
-        "symfony/twig-bridge": "^4.4 || ^5.0"
+        "symfony/twig-bridge": "^4.4 || ^5.1"
     },
     "suggest": {
         "doctrine/persistence": "If you want to use BaseDoctrineORMSerializationType"