diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29..aa10fe7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## 1.0.0 (2023-11-22)
+
+
+### Features
+
+* first version ([#1](https://github.com/allisson/secure-qrcode/issues/1)) ([4dacef2](https://github.com/allisson/secure-qrcode/commit/4dacef21043139039c092a05e4541db5364535da))
diff --git a/version.txt b/version.txt
index e69de29..3eefcb9 100644
--- a/version.txt
+++ b/version.txt
@@ -0,0 +1 @@
+1.0.0