diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62b2199..022d4c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,16 @@
 # CHANGELOG
 
-## 1.5.1
+## 1.5.2
 
 - Mandrill service now properly used the `sendAt` delayed date when sending a templated mail when calling the
 `send` method.
 
+## 1.5.1
+
+- Fix small typo in README to include ~1.5
+- Remove unnecessary import statements in code base
+- Return API status codes in Postage/Postmark api exceptions
+
 ## 1.5.0
 
 - You can now schedule Mandrill emails in the future by using the optional `sendAt` variable in both `send` and