diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..1ead2d6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## 1.0.0 (2026-02-26)
+
+
+### Features
+
+* add automatic semantic versioning with release-please ([2a9012e](https://github.com/ESPresense/firmware-tester/commit/2a9012e149cf76ddcbdd64d5795eb918a9cced0b))
diff --git a/version.txt b/version.txt
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--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.1.0
+1.0.0