diff --git a/composer.json b/composer.json
index ee11b60..0d53405 100644
--- a/composer.json
+++ b/composer.json
@@ -23,10 +23,10 @@
     "require": {
         "php": ">=5.6",
         "php-mock/php-mock": "^2.5",
-        "phpunit/php-text-template": "^1 || ^2 || ^3 || ^4 || ^5"
+        "phpunit/php-text-template": "^1 || ^2 || ^3 || ^4 || ^5 || ^6"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7.27 || ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12"
+        "phpunit/phpunit": "^5.7.27 || ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || ^13"
     },
     "archive": {
         "exclude": ["/tests"]