diff --git a/.travis.yml b/.travis.yml
index bd728a8..f54d436 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,19 @@ language: php
 php:
   - 7.2
 
-before_script:
+env:
+  matrix:
+    - SYMFONY_VERSION="~4.4"
+    - SYMFONY_VERSION="~5.0"
+    
+before_install:
   - wget http://getcomposer.org/composer.phar
-  - php composer.phar install
+  - php composer.phar require "symfony/console:${SYMFONY_VERSION}" --no-update
+  - php composer.phar require "symfony/framework-bundle:${SYMFONY_VERSION}" --no-update
+  - php composer.phar require "symfony/yaml:${SYMFONY_VERSION}" --no-update
+
+install:
+  - php composer.phar update --prefer-source --no-interaction
 
 script:
   - vendor/bin/phpunit tests/
diff --git a/composer.json b/composer.json
index 16dadaa..7016bac 100644
--- a/composer.json
+++ b/composer.json
@@ -12,13 +12,13 @@
         "php" : ">=7.2",
         "ext-pcntl" : "*",
         "psr/event-dispatcher": "^1.0",
-        "symfony/console" : "~4.3",
-        "symfony/framework-bundle" : "~4.3",
-        "symfony/yaml": "~4.3",
+        "symfony/console" : "~4.4 || ~5.0",
+        "symfony/framework-bundle" : "~4.4 || ~5.0",
+        "symfony/yaml": "~4.4 || ~5.0",
         "react/event-loop": "@stable"
     },
     "require-dev" : {
-        "sensiolabs/security-checker": "^5.0",
+        "sensiolabs/security-checker": "^6.0",
         "phpunit/phpunit": "^8.4"
     },
     "autoload" : {
@@ -28,7 +28,7 @@
         }
     },
     "conflict": {
-        "symfony/event-dispatcher": "<4.3"
+        "symfony/event-dispatcher": "<4.4"
     },
     "extra": {
         "branch-alias": {
diff --git a/src/Command/DaemonCommand.php b/src/Command/DaemonCommand.php
index 9b8ad89..ed92c68 100644
--- a/src/Command/DaemonCommand.php
+++ b/src/Command/DaemonCommand.php
@@ -256,7 +256,7 @@ protected function loop(InputInterface $input, OutputInterface $output): void
             $this->dispatchEvent(DaemonLoopExceptionGeneralEvent::class);
 
             if ($this->getShowExceptions()) {
-                $this->getApplication()->renderException($e, $output);
+                $this->getApplication()->renderThrowable($e, $output);
             }
 
             if ($this->getShutdownOnException()) {