diff --git a/composer.json b/composer.json
index 83e5f47..e9fa296 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,7 @@
         "ruflin/elastica": "^6.0.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "~6.4.4",
-        "typo3/testing-framework": "^2.0.0",
+        "phpunit/phpunit": "~5.7.0",
         "squizlabs/php_codesniffer": "~3.1.1"
     },
     "config": {