diff --git a/.travis.yml b/.travis.yml
index 8579e47..433b86c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,3 +6,6 @@ php:
   - '7.0'
   - hhvm
   - nightly
+install:
+  - composer install --dev
+  
\ No newline at end of file