diff --git a/.changeset/gitbook-sign-in.md b/.changeset/gitbook-sign-in.md
new file mode 100644
index 000000000..a76d44f95
--- /dev/null
+++ b/.changeset/gitbook-sign-in.md
@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+Add routes for GitBook users to sign in on a site, for commenting on previews.