diff --git a/.travis.yml b/.travis.yml
index 1a28e31..470a6e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,12 @@
 language: php
 
+dist: bionic
+
 php:
   - '7.3'
   - '7.4'
   - '8.0'
+  - '8.1.0'
 
 sudo: false
 
diff --git a/changelog.md b/changelog.md
index 8414de7..1ce514e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,12 @@ All notable changes to `laravel Ussd` will be documented in this file.
 
 ## [Unreleased]
 
+## [v2.4.0] - 2022-02-22
+
+### Added
+- Add Laravel 9 support
+- Add PHP 8.1 support
+
 ## [v2.3.1] - 2021-10-15
 
 ### Fixed
diff --git a/composer.json b/composer.json
index d7008f3..8cc36c6 100644
--- a/composer.json
+++ b/composer.json
@@ -12,12 +12,12 @@
     "homepage": "https://github.com/sparors/laravel-ussd",
     "keywords": ["Laravel", "Ussd"],
     "require": {
-        "illuminate/support": "~5|~6|~7|~8"
+        "illuminate/support": "~5|~6|~7|~8|~9"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
         "mockery/mockery": "^1.1",
-        "orchestra/testbench": "~3|~4|~5|~6",
+        "orchestra/testbench": "~3|~4|~5|~6|~7",
         "sempro/phpunit-pretty-print": "^1.0"
     },
     "autoload": {