diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f50ff87
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,5 @@
+## v1.4.0
+- Disallowing duplicating def macro arguments
+
+## v1.3.3
+- Adding experimental support for prefixing of included macros via <%INC("path/to", "prefix")%>
\ No newline at end of file