diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..4e0001e
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Changelog
+
+## Table of Contents
+
+- [1.1.0 from 1.0.0](#110-from-100)
+
+## 1.1.0 from 1.0.0
+
+Added `pton` and `ntop`. Improved documentation. Added `test` return value and failure information.