diff --git a/.travis.yml b/.travis.yml
index 7be5d36a..8c87534d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: php
 php:
-  - 7.1
   - 7.2
   - 7.3
+  - 7.4snapshot
 services:
   - mysql
   - postgresql
@@ -56,13 +56,13 @@ script:
 
 matrix:
   include:
-    - php: 7.1
+    - php: 7.3
       env: DB=mysql
-    - php: 7.1
+    - php: 7.3
       env: DB=pgsql
-    - php: 7.1
+    - php: 7.3
       env: DB=mysql;CODECHECK=1
-    - php: 7.1
+    - php: 7.3
       env: DB=mysql;CODECHECK=2
   allow_failures:
     - env: DB=mysql;CODECHECK=2
diff --git a/tests/lib/SessionStatisticsTest.php b/tests/lib/SessionStatisticsTest.php
index 5bd23811..bde82e15 100644
--- a/tests/lib/SessionStatisticsTest.php
+++ b/tests/lib/SessionStatisticsTest.php
@@ -55,7 +55,7 @@ class SessionStatisticsTest extends TestCase {
 
 	private $currentTime = 100000;
 
-	public function setUp() {
+	protected function setUp(): void {
 		parent::setUp();
 
 		$this->timeFactory = $this->getMockBuilder('OCP\AppFramework\Utility\ITimeFactory')