diff --git a/README.md b/README.md
index dc49712..53a261f 100644
--- a/README.md
+++ b/README.md
@@ -105,4 +105,6 @@ func ReadResp(byt []byte) (PurchaseResponse,error){
 
 	return resp,nil
 }
-```
\ No newline at end of file
+```
+
+### [Changelog](changelog.md)
\ No newline at end of file
diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..3564ee1
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,4 @@
+## Changelog
+
+### 1.0.0 - 16/8/2020 - Jose Attento (jose.attento@gmail.com)
+- Add ISO-8583 Marshal and Unmarshal.
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