diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 5ff5326..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-language: php
-
-dist: xenial
-
-services:
-  - mysql
-  - postgresql
-
-cache:
-  directories:
-    - $HOME/.composer/cache/files
-
-addons:
-  apt:
-    packages:
-      - tidy
-
-env:
-  global:
-    - COMPOSER_ROOT_VERSION=dev-master
-
-matrix:
-  include:
-    - php: 5.6
-      env: DB=MYSQL RECIPE_VERSION=4.4.x-dev PHPUNIT_TEST=1 PHPCS_TEST=1
-    - php: 7.1
-      env: DB=MYSQL RECIPE_VERSION=4.5.x-dev PHPUNIT_COVERAGE_TEST=1
-    - php: 7.2
-      env: DB=PGSQL RECIPE_VERSION=4.6.x-dev PHPUNIT_TEST=1
-    - php: 7.3
-      env: DB=PGSQL RECIPE_VERSION=4.6.x-dev PHPUNIT_TEST=1 
-    - php: 7.4
-      env: DB=MYSQL RECIPE_VERSION=4.x-dev PHPUNIT_TEST=1
-
-before_script:
-  # Init PHP
-  - phpenv rehash
-  - phpenv config-rm xdebug.ini || true
-  - echo 'memory_limit=2G' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
-
-  - composer require --no-update silverstripe/recipe-cms "$RECIPE_VERSION"
-  # Fix for running phpunit 5 on php 7.4+
-  - composer require --no-update sminnee/phpunit-mock-objects:^3
-  - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql:^2; fi
-  - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
-
-script:
-  - if [[ $PHPUNIT_TEST ]]; then vendor/bin/phpunit; fi
-  - if [[ $PHPUNIT_COVERAGE_TEST ]]; then phpdbg -qrr vendor/bin/phpunit --coverage-clover=coverage.xml; fi
-  - if [[ $PHPCS_TEST ]]; then vendor/bin/phpcs src/ tests/; fi
-
-after_success:
-  - if [[ $PHPUNIT_COVERAGE_TEST ]]; then bash <(curl -s https://codecov.io/bash) -f coverage.xml; fi
diff --git a/composer.json b/composer.json
index b67060e..44a7eaf 100644
--- a/composer.json
+++ b/composer.json
@@ -32,12 +32,13 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
+        "php": "^7.3 || ^8.0",
         "composer/composer": "^1",
-        "silverstripe/framework": "^4",
+        "silverstripe/framework": "^4.10",
         "bringyourownideas/silverstripe-maintenance": "^2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7",
+        "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "^3"
     },
     "autoload": {
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 6f34b9b..b608dee 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -2,6 +2,9 @@
 <ruleset name="SilverStripe">
     <description>CodeSniffer ruleset for SilverStripe coding conventions.</description>
 
+    <file>src</file>
+    <file>tests</file>
+
     <!-- base rules are PSR-2 -->
     <rule ref="PSR2" >
         <!-- Current exclusions -->
diff --git a/tests/Extensions/CheckComposerUpdatesExtensionTest.php b/tests/Extensions/CheckComposerUpdatesExtensionTest.php
index 6cde2fe..be33726 100644
--- a/tests/Extensions/CheckComposerUpdatesExtensionTest.php
+++ b/tests/Extensions/CheckComposerUpdatesExtensionTest.php
@@ -30,7 +30,7 @@ class CheckComposerUpdatesExtensionTest extends SapphireTest
      */
     protected $allowedTypes;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 
diff --git a/tests/UpdateCheckerTest.php b/tests/UpdateCheckerTest.php
index 08f425e..d1cb6b5 100644
--- a/tests/UpdateCheckerTest.php
+++ b/tests/UpdateCheckerTest.php
@@ -21,7 +21,7 @@ class UpdateCheckerTest extends SapphireTest
      */
     protected $updateChecker;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();