diff --git a/.travis.yml b/.travis.yml
index 14e94869..196f6b48 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,3 +10,9 @@ php:
   - nightly
   
 sudo: false
+
+install:
+  - travis_retry composer install --no-interaction --prefer-source
+
+script:
+  - composer test
diff --git a/README.md b/README.md
index 1c53364d..798ec0c9 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Step 1. Edit your `composer.json`:
 ```json
 {
     "require": {
-        "oyejorge/less.php": "~1.5"
+        "oyejorge/less.php": "~1.7.0.9"
     }
 }
 ```
diff --git a/composer.json b/composer.json
index 7724e3f2..5f1affeb 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,11 @@
 		}
 	],
 	"require": {
-		"PHP" : ">=5.3"
+		"PHP" : ">=5.3",
+		"phpunit/phpunit": "~4.8.16"
+	},
+	"scripts": {
+		"test": "phpunit"
 	},
 	"autoload": {
 		"psr-0": { "Less": "lib/" },