diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b52f6a1..074b5ce 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: 'ubuntu-latest'
     strategy:
       matrix:
-        php-versions: ['7.2', '7.3', '7.4', '8.0']
+        php-versions: ['7.4', '8.0']
 
     steps:
     - name: Checkout
diff --git a/tests/Submitty/Twig/Extension/MarkdownEngine/GithubMarkdownEngineTest.php b/tests/Submitty/Twig/Extension/MarkdownEngine/GithubMarkdownEngineTest.php
index b4e515e..91c59a7 100644
--- a/tests/Submitty/Twig/Extension/MarkdownEngine/GithubMarkdownEngineTest.php
+++ b/tests/Submitty/Twig/Extension/MarkdownEngine/GithubMarkdownEngineTest.php
@@ -1,8 +1,8 @@
 <?php
 
-namespace Aptoma\Twig\Extension\MarkdownEngine;
+namespace Submitty\Twig\Extension\MarkdownEngine;
 
-use Aptoma\Twig\Extension\MarkdownExtensionTest;
+use Submitty\Twig\Extension\MarkdownExtensionTest;
 use Github\Client;
 
 require_once(__DIR__ . '/../MarkdownExtensionTest.php');
diff --git a/tests/Submitty/Twig/Extension/MarkdownEngine/PHPLeagueCommonMarkEngineTest.php b/tests/Submitty/Twig/Extension/MarkdownEngine/PHPLeagueMarkdownEngineTest.php
similarity index 81%
rename from tests/Submitty/Twig/Extension/MarkdownEngine/PHPLeagueCommonMarkEngineTest.php
rename to tests/Submitty/Twig/Extension/MarkdownEngine/PHPLeagueMarkdownEngineTest.php
index 806ca02..351d639 100644
--- a/tests/Submitty/Twig/Extension/MarkdownEngine/PHPLeagueCommonMarkEngineTest.php
+++ b/tests/Submitty/Twig/Extension/MarkdownEngine/PHPLeagueMarkdownEngineTest.php
@@ -1,8 +1,8 @@
 <?php
 
-namespace Aptoma\Twig\Extension\MarkdownEngine;
+namespace Submitty\Twig\Extension\MarkdownEngine;
 
-use Aptoma\Twig\Extension\MarkdownExtensionTest;
+use Submitty\Twig\Extension\MarkdownExtensionTest;
 
 // Require parent class if not autoloaded
 if (!class_exists('\Aptoma\Twig\Extension\MarkdownExtensionTest')) {
diff --git a/tests/Submitty/Twig/Extension/MarkdownEngine/ParsedownEngineTest.php b/tests/Submitty/Twig/Extension/MarkdownEngine/ParsedownEngineTest.php
index 4e20411..78faff3 100644
--- a/tests/Submitty/Twig/Extension/MarkdownEngine/ParsedownEngineTest.php
+++ b/tests/Submitty/Twig/Extension/MarkdownEngine/ParsedownEngineTest.php
@@ -1,9 +1,9 @@
 <?php
 
-namespace Aptoma\Twig\Extension\MarkdownEngine;
+namespace Submitty\Twig\Extension\MarkdownEngine;
 
-use Aptoma\Twig\Extension\MarkdownExtension;
-use Aptoma\Twig\Extension\MarkdownExtensionTest;
+use Submitty\Twig\Extension\MarkdownExtension;
+use Submitty\Twig\Extension\MarkdownExtensionTest;
 
 // Require parent class if not autoloaded
 if (!class_exists('\Aptoma\Twig\Extension\MarkdownExtensionTest')) {
diff --git a/tests/Submitty/Twig/Extension/MarkdownExtensionTest.php b/tests/Submitty/Twig/Extension/MarkdownExtensionTest.php
index b89c4c5..0fdd224 100644
--- a/tests/Submitty/Twig/Extension/MarkdownExtensionTest.php
+++ b/tests/Submitty/Twig/Extension/MarkdownExtensionTest.php
@@ -1,8 +1,8 @@
 <?php
 
-namespace Aptoma\Twig\Extension;
+namespace Submitty\Twig\Extension;
 
-use Aptoma\Twig\Extension\MarkdownEngine\MichelfMarkdownEngine;
+use Submitty\Twig\Extension\MarkdownEngine\PHPLeagueMarkdownEngine;
 use PHPUnit\Framework\TestCase;
 
 /**
diff --git a/tests/Submitty/Twig/TokenParser/MarkdownTokenParserTest.php b/tests/Submitty/Twig/TokenParser/MarkdownTokenParserTest.php
index 8cb3f62..f438e53 100644
--- a/tests/Submitty/Twig/TokenParser/MarkdownTokenParserTest.php
+++ b/tests/Submitty/Twig/TokenParser/MarkdownTokenParserTest.php
@@ -1,9 +1,9 @@
 <?php
 
-namespace Aptoma\Twig\TokenParser;
+namespace Submitty\Twig\TokenParser;
 
-use Aptoma\Twig\Extension\MarkdownEngine\MichelfMarkdownEngine;
-use Aptoma\Twig\Node\MarkdownNode;
+use Submitty\Twig\Extension\PHPLeagueMarkdownEngine;
+use Submitty\Twig\Node\MarkdownNode;
 use PHPUnit\Framework\TestCase;
 use Twig\Compiler;
 use Twig\Environment;