diff --git a/.travis.yml b/.travis.yml
index 04228fa..eb83311 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,18 +11,12 @@ env:
 matrix:
     fast_finish: true
     include:
-        - php: 7.1
-          env: LARAVEL_VERSION=5.5.* TESTBENCH_VERSION=3.5.* PHPUNIT_VERSION=~6.0
         - php: 7.1
           env: LARAVEL_VERSION=5.8.* TESTBENCH_VERSION=3.8.* PHPUNIT_VERSION=~7.0
-        - php: 7.2
-          env: LARAVEL_VERSION=5.5.* TESTBENCH_VERSION=3.5.* PHPUNIT_VERSION=~6.0
         - php: 7.2
           env: LARAVEL_VERSION=5.8.* TESTBENCH_VERSION=3.8.* PHPUNIT_VERSION=~7.0
         - php: 7.2
           env: LARAVEL_VERSION=~6.0  TESTBENCH_VERSION=~4.0  PHPUNIT_VERSION=~8.0
-        - php: 7.3
-          env: LARAVEL_VERSION=5.5.* TESTBENCH_VERSION=3.5.* PHPUNIT_VERSION=~6.0
         - php: 7.3
           env: LARAVEL_VERSION=5.8.* TESTBENCH_VERSION=3.8.* PHPUNIT_VERSION=~7.0
         - php: 7.3
diff --git a/README.md b/README.md
index d94713d..8955cde 100755
--- a/README.md
+++ b/README.md
@@ -13,6 +13,11 @@
 
 Laravel middleware for whitelisting/blacklisting client IP addresses
 
+## Requirements
+
+* PHP 7.1 or higher
+* Laravel 5.8 or higher
+
 ## Installation
 
 You can install the package via composer:
diff --git a/composer.json b/composer.json
index ad88b57..d3b2b3e 100755
--- a/composer.json
+++ b/composer.json
@@ -22,14 +22,14 @@
     ],
     "require": {
         "php": "^7.1",
-        "illuminate/container": "5.5.*|5.8.*|^6.0",
-        "illuminate/contracts": "5.5.*|5.8.*|^6.0",
-        "illuminate/http": "5.5.*|5.8.*|^6.0",
-        "illuminate/support": "5.5.*|5.8.*|^6.0"
+        "illuminate/container": "5.8.*|^6.0",
+        "illuminate/contracts": "5.8.*|^6.0",
+        "illuminate/http": "5.8.*|^6.0",
+        "illuminate/support": "5.8.*|^6.0"
     },
     "require-dev": {
-        "orchestra/testbench": "3.5.*|3.8.*|^4.0",
-        "phpunit/phpunit": "^6.0|^7.0|^8.0"
+        "orchestra/testbench": "3.8.*|^4.0",
+        "phpunit/phpunit": "^7.0|^8.0"
     },
     "autoload": {
         "psr-4": {