diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index baa1bc2..5d2a2a9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,20 +17,34 @@ jobs:
     strategy:
       matrix:
         include:
-          - mediawiki_version: '1.39'
-            smw_version: '5.1.0'
+          - mediawiki_version: '1.43'
+            smw_version: 6.0.1
             php_version: 8.1
             database_type: mysql
             database_image: "mariadb:11.2"
             coverage: false
             experimental: false
           - mediawiki_version: '1.43'
-            smw_version: '6.0.1'
-            php_version: 8.3
+            smw_version: 6.0.1
+            php_version: 8.1
             database_type: mysql
             database_image: "mariadb:11.2"
             coverage: true
             experimental: false
+          - mediawiki_version: '1.44'
+            smw_version: dev-master
+            php_version: 8.2
+            database_type: mysql
+            database_image: "mariadb:11.8"
+            coverage: false
+            experimental: false
+          - mediawiki_version: '1.45'
+            smw_version: dev-master
+            php_version: 8.3
+            database_type: mysql
+            database_image: "mariadb:11.8"
+            coverage: false
+            experimental: false
 
     env:
       MW_VERSION: ${{ matrix.mediawiki_version }}
diff --git a/composer.json b/composer.json
index 218f9df..440e94d 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
 		}
 	],
 	"require": {
-		"php": ">=7.4",
+		"php": ">=8.1",
 		"composer/installers": "^2.2.0|^1.0.1"
 	},
 	"require-dev": {
diff --git a/extension.json b/extension.json
index 546571c..669b0a6 100644
--- a/extension.json
+++ b/extension.json
@@ -10,7 +10,7 @@
 	"license-name": "GPL-2.0-or-later",
 	"type": "parserhook",
 	"requires": {
-		"MediaWiki": ">= 1.39"
+		"MediaWiki": ">= 1.43"
 	},
 	"ExtensionMessagesFiles": {
 		"MermaidMagic": "i18n/extra/Mermaid.magic.php"
diff --git a/tests/phpunit/Integration/JSONScript/JsonTestCaseScriptRunnerTest.php b/tests/phpunit/Integration/JSONScript/JsonTestCaseScriptRunnerTest.php
index 81f52d1..d0e26d5 100644
--- a/tests/phpunit/Integration/JSONScript/JsonTestCaseScriptRunnerTest.php
+++ b/tests/phpunit/Integration/JSONScript/JsonTestCaseScriptRunnerTest.php
@@ -22,11 +22,11 @@ protected function setUp(): void {
 		Hooks::onParserFirstCallInit( $parser );
 	}
 
-	protected function getTestCaseLocation() {
+	protected function getTestCaseLocation(): string {
 		return __DIR__ . '/TestCases';
 	}
 
-	protected function getPermittedSettings() {
+	protected function getPermittedSettings(): array {
 		return array_merge( parent::getPermittedSettings(), [] );
 	}
 
@@ -35,7 +35,7 @@ protected function getPermittedSettings() {
 	 *
 	 * @return array
 	 */
-	protected function getDependencyDefinitions() {
+	protected function getDependencyDefinitions(): array {
 		return [
 			'Mermaid' => [ $this, 'checkMermaidDependency' ]
 		];