diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1168746
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,11 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore paths when git creates an archive of this package
+/.gitattributes         export-ignore
+/.gitignore             export-ignore
+/.github                export-ignore
+/.editorconfig          export-ignore
+/phpunit.xml            export-ignore
+/phpstan.neon.dist      export-ignore
+/tests                  export-ignore
diff --git a/.gitignore b/.gitignore
index b21d910..1f5402b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 composer.lock
 files/
 repo/
-vendor/
 tests/_support/_generated
 bin/*.phar
 tests/var