diff --git a/.changeset/perfect-icons-kiss.md b/.changeset/perfect-icons-kiss.md
new file mode 100644
index 000000000..e76502b80
--- /dev/null
+++ b/.changeset/perfect-icons-kiss.md
@@ -0,0 +1,5 @@
+---
+"@telegram-apps/transformers": minor
+---
+
+Add InitData.signature transformer.