diff --git a/.travis.yml b/.travis.yml
index 857299e..eb44392 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ php:
     - 7.0
     - 7.1
     - 7.2
+    - 7.3
     - nightly
     - hhvm
 
@@ -24,13 +25,10 @@ matrix:
           env: CS_FIXER=run
     fast_finish: true
     allow_failures:
-        - php: 7.2
+        - php: 7.3
         - php: nightly
         - php: hhvm
 
-# faster builds on new travis setup not using sudo
-sudo: false
-
 # cache vendor dirs
 cache:
     directories:
diff --git a/tests/ReadabilityTest.php b/tests/ReadabilityTest.php
index 4629aa6..c9a3c80 100644
--- a/tests/ReadabilityTest.php
+++ b/tests/ReadabilityTest.php
@@ -6,7 +6,7 @@ use Monolog\Handler\TestHandler;
 use Monolog\Logger;
 use Readability\Readability;
 
-class ReadabilityTest extends \PHPUnit_Framework_TestCase
+class ReadabilityTest extends \PHPUnit\Framework\TestCase
 {
     public $logHandler;
     public $logger;