diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..22f1436
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Changelog
+
+## v0.2.1
+
+- Updated to tokio v0.3.
+
+## v0.2.0
+
+- Added support for macOS.
+
+## v0.1.0
+
+- Initial release.
diff --git a/Cargo.toml b/Cargo.toml
index 374f9ec..f5b4c55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "simple-process-stats"
 description = "Get memory usage and CPU time on Linux and Windows"
 license = "MIT"
-version = "0.2.0"
+version = "0.2.1"
 keywords = ["process", "cpu", "memory"]
 categories = ["api-bindings", "asynchronous", "os"]
 repository = "https://github.com/robotty/simple-process-stats"