diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..50d2237
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.0.0] - 2023-01-23
+
+### Added
+
+- Added all needed for the first release. See the README.md for a full description
+  of inputs and outputs.
+
+[1.0.0]: https://github.com/philss/rustler-precompiled-action/releases/tag/v1.0.0
diff --git a/README.md b/README.md
index 40d17e5..a2fec4f 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,23 @@ It's **important to notice that this Action won't install Rust**. So you need to
 install it first. For that we recommend the [dtolnay/rust-toolchain] action that
 is well maintained.
 
+## Usage
+
+```yaml
+- name: Build the project
+  id: build
+  uses: philss/rustler-precompiled-action@v1
+  with:
+    project-name: example
+    project-version: "0.5.2"
+    target: aarch64-unknown-linux-gnu
+    nif-version: "2.16"
+    use-cross: true
+    project-dir: "native/example"
+```
+
+See the example workflow below.
+
 ## Inputs
 
 The following inputs are accepted: