diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f1e46cb
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,11 @@
+# This file was generated by the lean package validator (http://git.io/lean-package-validator).
+
+* text=auto eol=lf
+
+.gitattributes export-ignore
+.gitignore export-ignore
+composer.lock export-ignore
+LICENSE export-ignore
+phpunit.xml export-ignore
+README.md export-ignore
+tests/ export-ignore