diff --git a/Test/Integration/Model/BlockInstaller/TestCase.php b/Test/Integration/Model/BlockInstaller/TestCase.php
index 1b07f421347a41dadae3bb86fd5f9a444b5c2498..4b1bf17566dc63f6fde3c52399d56649bca23666 100644
--- a/Test/Integration/Model/BlockInstaller/TestCase.php
+++ b/Test/Integration/Model/BlockInstaller/TestCase.php
@@ -46,7 +46,7 @@ class TestCase extends \PHPUnit\Framework\TestCase
      */
     protected $getFirstBlockByBlockEntry;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
@@ -67,7 +67,7 @@ class TestCase extends \PHPUnit\Framework\TestCase
             ->create(GetFirstBlockByBlockEntry::class);
     }
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         parent::tearDown();
 
diff --git a/Test/Integration/Model/PageInstaller/InstallMediaFilesTest.php b/Test/Integration/Model/PageInstaller/InstallMediaFilesTest.php
index 9fc70294e1ddd15bd11d846498555c7832f17505..dc8e7d149220774d58b47126384ffd406c905ee5 100644
--- a/Test/Integration/Model/PageInstaller/InstallMediaFilesTest.php
+++ b/Test/Integration/Model/PageInstaller/InstallMediaFilesTest.php
@@ -24,7 +24,7 @@ class InstallMediaFilesTest extends TestCase
      */
     protected $fileSystem;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
diff --git a/Test/Integration/Model/PageInstaller/TestCase.php b/Test/Integration/Model/PageInstaller/TestCase.php
index 60e042c7a0a7e0fde697ecef077a73e2f6a0dabb..e877f35dee5a1d79d24f0dd52b72f01f19dc4d3f 100644
--- a/Test/Integration/Model/PageInstaller/TestCase.php
+++ b/Test/Integration/Model/PageInstaller/TestCase.php
@@ -68,7 +68,7 @@ class TestCase extends \PHPUnit\Framework\TestCase
             ->create(GetFirstPageByPageEntry::class);
     }
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         parent::tearDown();