diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..c42b53c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## [3.1.1](https://github.com/beam-community/scrivener_headers/compare/v3.1.0...v3.1.1) (2024-09-26)
+
+
+### Bug Fixes
+
+* add missing version file to package manifest ([#15](https://github.com/beam-community/scrivener_headers/issues/15)) ([8f8439e](https://github.com/beam-community/scrivener_headers/commit/8f8439e6cbdef169963fa02b21191b0d0fe5949d))
diff --git a/mix.exs b/mix.exs
index 6506ebd..03525ae 100644
--- a/mix.exs
+++ b/mix.exs
@@ -6,7 +6,7 @@ defmodule Scrivener.Headers.Mixfile do
   def project do
     [
       app: :scrivener_headers,
-      version: "3.2.2",
+      version: "3.1.1",
       elixir: "~> 1.4",
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,