diff --git a/.travis.yml b/.travis.yml
index 36f8082..b38d67f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,6 @@ language: php
 
 jobs:
   include:
-    - php: 7.2
     - php: 7.3
     - php: 7.4
     - php: 8.0
diff --git a/README.md b/README.md
index c1f1d00..45b9645 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![Test Coverage](https://api.codeclimate.com/v1/badges/20fdd1ca8f3737c383df/test_coverage)](https://codeclimate.com/github/kawax/laravel-google-sheets/test_coverage)
 
 ## Requirements
-- PHP >= 7.2
+- PHP >= 7.3
 - Laravel >= 6.0
 
 ## Versioning
diff --git a/composer.json b/composer.json
index d7079ab..9402405 100644
--- a/composer.json
+++ b/composer.json
@@ -14,15 +14,15 @@
     }
   ],
   "require": {
-    "php": "^7.2||^8.0",
+    "php": "^7.3||^8.0",
     "illuminate/container": "^6.0||^7.0||^8.0",
     "illuminate/support": "^6.0||^7.0||^8.0",
     "pulkitjalan/google-apiclient": "dev-patch"
   },
   "require-dev": {
-    "phpunit/phpunit": "^8.0||^9.0",
+    "phpunit/phpunit": "^9.0",
     "mockery/mockery": "^1.0",
-    "orchestra/testbench": "^4.0||^5.0||^6.0"
+    "orchestra/testbench": "^5.0||^6.0"
   },
   "autoload": {
     "psr-4": {