diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9bc03b5..48106a1 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -25,4 +25,14 @@ jobs:
       - name: Check PHP CS
         run: ./vendor/bin/php-cs-fixer fix --config .php-cs-fixer.php --dry-run --using-cache no --show-progress dots -v
       - name: Test
-        run: ./vendor/bin/phpunit
+        run: ./vendor/bin/phpunit --coverage-cobertura=coverage.xml
+      - name: Code Coverage
+        uses: irongut/CodeCoverageSummary@v1.3.0
+        with:
+          filename: coverage.xml
+          badge: true
+          format: 'markdown'
+          output: 'both'
+      - name: Write to Job Summary
+        run: cat code-coverage-results.md >> $GITHUB_STEP_SUMMARY
+
diff --git a/EventListener/CampaignSubscriber.php b/EventListener/CampaignSubscriber.php
index 333c993..2fb6647 100644
--- a/EventListener/CampaignSubscriber.php
+++ b/EventListener/CampaignSubscriber.php
@@ -12,8 +12,8 @@
 use MauticPlugin\LeuchtfeuerPrintmailingBundle\Event\TriggerCampaignEvent;
 use MauticPlugin\LeuchtfeuerPrintmailingBundle\Form\Type\ActionType;
 use MauticPlugin\LeuchtfeuerPrintmailingBundle\Model\TriggerCampaignModel;
-use MauticPlugin\LeuchtfeuerPrintmailingBundle\Service\PrintmailingService;
 use MauticPlugin\LeuchtfeuerPrintmailingBundle\PrintmailingEvents;
+use MauticPlugin\LeuchtfeuerPrintmailingBundle\Service\PrintmailingService;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
 class CampaignSubscriber implements EventSubscriberInterface
@@ -56,10 +56,10 @@ public static function getSubscribedEvents()
     {
         return [
             CampaignEvents::CAMPAIGN_ON_BUILD                => ['onCampaignBuild', 0],
-            PrintmailingEvents::TRIGGER_CAMPAIGN_PRE_SAVE   => ['onTriggerCampaignPreSave', 0],
-            PrintmailingEvents::TRIGGER_CAMPAIGN_POST_SAVE  => ['onTriggerCampaignPostSave', 0],
-            PrintmailingEvents::TRIGGER_CAMPAIGN_PRE_DELETE => ['onTriggerCampaignPreDelete', 0],
-            PrintmailingEvents::ON_CAMPAIGN_TRIGGER_ACTION  => ['onCampaignTriggerAction', 0],
+            PrintmailingEvents::TRIGGER_CAMPAIGN_PRE_SAVE    => ['onTriggerCampaignPreSave', 0],
+            PrintmailingEvents::TRIGGER_CAMPAIGN_POST_SAVE   => ['onTriggerCampaignPostSave', 0],
+            PrintmailingEvents::TRIGGER_CAMPAIGN_PRE_DELETE  => ['onTriggerCampaignPreDelete', 0],
+            PrintmailingEvents::ON_CAMPAIGN_TRIGGER_ACTION   => ['onCampaignTriggerAction', 0],
         ];
     }
 
diff --git a/composer.json b/composer.json
index c15c4ef..dfdaaae 100644
--- a/composer.json
+++ b/composer.json
@@ -47,5 +47,11 @@
     ],
     "scripts": {
         "cs-fix": "./vendor/bin/php-cs-fixer fix --config .php-cs-fixer.php --using-cache no --show-progress dots -v"
+    },
+    "config": {
+        "allow-plugins": {
+            "symfony/flex": true,
+            "php-http/discovery": false
+        }
     }
 }