diff --git a/.travis.yml b/.travis.yml
index e755c8c8..3db8cb31 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,22 @@
 language: php
+
 php:
-  - "7.0"
-  - "5.6"
-  - "5.5"
-  - "5.4"
-script: "phpunit -c tests/phpunit.xml"
+- 5.4
+- 5.5
+- 5.6
+- 7.0
+- 7.1
+
+sudo: false
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+install:
+- travis_retry composer install --no-interaction
+
+script:
+- composer validate --strict
+- find admin catalog tests -name *.php | xargs -n 1 -P4 php -l
+- vendor/bin/phpunit -c tests/phpunit.xml
diff --git a/composer.json b/composer.json
index aaedb478..9ed479ee 100755
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,6 @@
 {
     "name": "mollie/opencart",
     "description": "Mollie module for OpenCart",
-    "version": "7.1.1",
     "homepage": "https://www.mollie.com",
     "authors": [
         {