diff --git a/.travis.yml b/.travis.yml
index a645bc9a9..892e96c53 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -61,6 +61,14 @@ jobs:
         - composer require --dev "symfony/messenger:4.3.*@beta" --no-update
         - travis_retry composer update -n --prefer-dist
 
+    # Test against latest Symfony 4.4 dev
+    - php: 7.3
+      env: SYMFONY_VERSION="4.4.*@dev"
+      install:
+        - composer config minimum-stability dev
+        - composer require --dev "symfony/messenger:4.4.*@dev" --no-update
+        - travis_retry composer update -n --prefer-dist
+
     # Test dev versions
     - php: 7.3
       if: type = cron
diff --git a/composer.json b/composer.json
index 806a6d547..86c4b1661 100644
--- a/composer.json
+++ b/composer.json
@@ -25,26 +25,26 @@
     ],
     "require": {
         "php": "^7.1",
-        "symfony/framework-bundle": "^3.4|^4.1",
-        "symfony/config": "^3.4|^4.1",
-        "symfony/console": "^3.4|^4.1",
-        "symfony/dependency-injection": "^3.4|^4.1",
+        "symfony/framework-bundle": "^3.4|^4.1|^5.0",
+        "symfony/config": "^3.4|^4.1|^5.0",
+        "symfony/console": "^3.4|^4.1|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.1|^5.0",
         "doctrine/dbal": "^2.5.12",
         "jdorn/sql-formatter": "^1.2.16",
-        "symfony/doctrine-bridge": "^3.4|^4.1",
+        "symfony/doctrine-bridge": "^3.4|^4.1|^5.0",
         "doctrine/doctrine-cache-bundle": "~1.2"
     },
     "require-dev": {
         "doctrine/orm": "^2.6",
-        "symfony/cache": "^3.4|^4.1",
-        "symfony/yaml": "^3.4|^4.1",
-        "symfony/validator": "^3.4|^4.1",
-        "symfony/property-info": "^3.4|^4.1",
-        "symfony/phpunit-bridge": "^4.2",
+        "symfony/cache": "^3.4|^4.1|^5.0",
+        "symfony/yaml": "^3.4|^4.1|^5.0",
+        "symfony/validator": "^3.4|^4.1|^5.0",
+        "symfony/property-info": "^3.4|^4.1|^5.0",
+        "symfony/phpunit-bridge": "^4.2|^5.0",
         "twig/twig": "^1.34|^2.4",
         "php-coveralls/php-coveralls": "^2.1",
         "phpunit/phpunit": "7.0",
-        "symfony/web-profiler-bundle": "^3.4|^4.1",
+        "symfony/web-profiler-bundle": "^3.4|^4.1|^5.0",
         "doctrine/coding-standard": "^6.0"
     },
     "conflict": {