diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68e7d7ba021..c63243e663e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -121,6 +121,10 @@ jobs:
         if: matrix.execute-migration-rules == 'yes'
         run: php php-cs-fixer fix --rules @PHP73Migration,@PHP71Migration:risky,blank_line_after_opening_tag -q
 
+      - name: Disable time limit for tests when collecting coverage
+        if: matrix.calculate-code-coverage == 'yes'
+        run: sed 's/enforceTimeLimit="true"/enforceTimeLimit="false"/g' phpunit.xml.dist > phpunit.xml
+
       - name: Run tests
         continue-on-error: ${{ matrix.php-version == '8.0' }}
         env:
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 04b307072a7..34855e4dfc6 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -15,11 +15,14 @@
     convertErrorsToExceptions="true"
     convertNoticesToExceptions="true"
     convertWarningsToExceptions="true"
+    defaultTimeLimit="3"
     enforceTimeLimit="true"
     failOnWarning="true"
     processIsolation="false"
     stopOnFailure="false"
-    timeoutForSmallTests="2"
+    timeoutForSmallTests="3"
+    timeoutForMediumTests="6"
+    timeoutForLargeTests="9"
     verbose="false"
 >
     <testsuites>
diff --git a/tests/Linter/AbstractLinterTestCase.php b/tests/Linter/AbstractLinterTestCase.php
index 889bb3490f1..f3dfee341d2 100644
--- a/tests/Linter/AbstractLinterTestCase.php
+++ b/tests/Linter/AbstractLinterTestCase.php
@@ -57,6 +57,8 @@ public function testLintFile($file, $errorMessage = null)
 
     /**
      * @return array
+     *
+     * @medium
      */
     public function provideLintFileCases()
     {
diff --git a/tests/Smoke/AbstractSmokeTest.php b/tests/Smoke/AbstractSmokeTest.php
index 79e82164dfa..30c2c27bc5c 100644
--- a/tests/Smoke/AbstractSmokeTest.php
+++ b/tests/Smoke/AbstractSmokeTest.php
@@ -22,7 +22,6 @@
  * @requires OS Linux|Darwin
  * @coversNothing
  * @group covers-nothing
- * @large
  */
 abstract class AbstractSmokeTest extends TestCase
 {
diff --git a/tests/Smoke/StdinTest.php b/tests/Smoke/StdinTest.php
index 684656a13ae..e3e971ab971 100644
--- a/tests/Smoke/StdinTest.php
+++ b/tests/Smoke/StdinTest.php
@@ -23,6 +23,7 @@
  * @requires OS Linux|Darwin
  * @coversNothing
  * @group covers-nothing
+ * @large
  */
 final class StdinTest extends AbstractSmokeTest
 {
diff --git a/tests/Test/AbstractIntegrationTestCase.php b/tests/Test/AbstractIntegrationTestCase.php
index 191eb4e0c01..5c8e828f838 100644
--- a/tests/Test/AbstractIntegrationTestCase.php
+++ b/tests/Test/AbstractIntegrationTestCase.php
@@ -129,6 +129,7 @@ protected function doTearDown()
      * @dataProvider provideIntegrationCases
      *
      * @see doTest()
+     * @large
      */
     public function testIntegration(IntegrationCase $case)
     {