diff --git a/.gitignore b/.gitignore
index 610a029..bf3b8b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 vendor
 build
-.phpintel
\ No newline at end of file
+.phpintel
+/composer.lock
diff --git a/.travis.yml b/.travis.yml
index c23f375..c268f87 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,6 @@ php:
 
 before_script:
   - composer self-update
-  - composer install --no-interaction --prefer-source --dev
+  - composer update --no-interaction --prefer-source --dev
 
 script: composer test
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index 3646736..0000000
--- a/composer.lock
+++ /dev/null
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