diff --git a/.changeset/mean-nails-retire.md b/.changeset/mean-nails-retire.md
new file mode 100644
index 000000000..e72f0566e
--- /dev/null
+++ b/.changeset/mean-nails-retire.md
@@ -0,0 +1,5 @@
+---
+"@tma.js/init-data-node": minor
+---
+
+Add sign utilities.