diff --git a/.gitattributes b/.gitattributes
index 84736e47..b789ff07 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -39,4 +39,9 @@ phpunit.xml             export-ignore
 phpcs.xml               export-ignore
 phpcompatibility.xml    export-ignore
 tests/                  export-ignore
-cache/.gitkeep          export-ignore
\ No newline at end of file
+cache/.gitkeep          export-ignore
+## Composer
+composer.json           export-ignore
+composer.lock           export-ignore
+## Heroku
+app.json                export-ignore