diff --git a/.gitignore b/.gitignore
index f254f3c1c..4918c2abc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ infection.log
 /Infection/
 /LOGGER-HTML
 reports/
+report/
 tools/
 
 # Devbox
diff --git a/composer.json b/composer.json
index 14a2325b8..2d4738291 100644
--- a/composer.json
+++ b/composer.json
@@ -40,6 +40,7 @@
         "codeception/module-webdriver": "^4.0",
         "infection/infection": "^0.26",
         "nikic/php-parser": "^4.13",
+        "nimut/phpunit-merger": "^2.0",
         "phpspec/prophecy-phpunit": "^2.0",
         "phpstan/extension-installer": "^1.2",
         "phpstan/phpstan": "^1.9",
@@ -180,6 +181,12 @@
             "@test:functional-sqlite",
             "@test:acceptance"
         ],
+        "test:coverage": [
+            "mkdir -p .Logs/coverage",
+            "XDEBUG_MODE=coverage .Build/bin/phpunit --coverage-filter Classes --coverage-php .Logs/coverage/unit_clover.cov -c Tests/UnitTests.xml Tests/Unit ",
+            "XDEBUG_MODE=coverage .Build/bin/phpunit --coverage-filter Classes --coverage-php .Logs/coverage/functional_clover.cov -c Tests/FunctionalTests.xml Tests/Functional ",
+            "XDEBUG_MODE=coverage .Build/bin/phpunit-merger coverage .Logs/coverage/ --html=report .Logs/coverage.xml;"
+        ],
         "test:functional": [
             "@test:reset-vars",
             "@extension-create-libs",