diff --git a/.gitignore b/.gitignore
index 92f7fde..ee233a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 # ref: https://github.com/github/gitignore/blob/master/Composer.gitignore
 
 composer.phar
+composer.lock
 /vendor/
 
 # Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control