diff --git a/README.md b/README.md
index 714bd4a..77f8fb1 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A [Segment](https://segment.com/) bridge for Laravel 5.
 
 ## Installation
 
-This version requires [PHP](https://php.net) 7.1 or 7.2, and supports Laravel 5.5 - 5.7 only.
+This version requires [PHP](https://php.net) 7.1 or 7.2, and supports Laravel 5.5 - 5.8 only.
 
 To get the latest version, simply require the project using [Composer](https://getcomposer.org):
 
diff --git a/composer.json b/composer.json
index efd6979..4de289e 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "illuminate/config": "5.5.*|5.6.*|5.7.*",
-        "illuminate/support": "5.5.*|5.6.*|5.7.*",
+        "illuminate/config": "5.5.*|5.6.*|5.7.*|5.8.*",
+        "illuminate/support": "5.5.*|5.6.*|5.7.*|5.8.*",
         "segmentio/analytics-php": "~1.5.2"
     },
     "require-dev": {