diff --git a/.travis.yml b/.travis.yml
index d77eb23..eca817c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ matrix:
     - php: 7.1
       env:
         - EXECUTE_TEST_COVERALLS=true
-    - php: 7.2
+    - php: 7.3
       env:
         - EXECUTE_CS_CHECK=true
 
diff --git a/composer.json b/composer.json
index 5707207..b783a16 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     "require": {
         "php": ">= 7.1",
         "psr/log": "~1.0",
-        "phpunit/phpunit": "^6.0||^7.0"
+        "phpunit/phpunit": "^6.0||^7.0||^8.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.0"