diff --git a/.changeset/strange-shrimps-accept.md b/.changeset/strange-shrimps-accept.md
new file mode 100644
index 000000000000..3569cc8e7881
--- /dev/null
+++ b/.changeset/strange-shrimps-accept.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/sitemap': minor
+---
+
+add separator option