diff --git a/.travis.yml b/.travis.yml
index c5e0d07..9e67424 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ before_script:
   - composer install -n
 
 script:
-  - cd tst && phpunit
+  - cd tst && ../vendor/phpunit/phpunit/phpunit
 
 after_script:
   - cd ..
diff --git a/tst/README.md b/tst/README.md
index d03dd34..f614fe5 100644
--- a/tst/README.md
+++ b/tst/README.md
@@ -23,6 +23,12 @@ $ cd PrivateBin/tst
 $ phpunit
 ```
 
+Or you can also use the phpunit installed as dependency of eris by composer:
+```console
+$ cd PrivateBin/tst
+$ ../vendor/phpunit/phpunit/phpunit
+```
+
 Running JavaScript unit tests
 =============================