diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f934ad..030a717 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release.
 
-## 3.0.0 - UNRELEASED
+## 3.0.0
 
 ### Added
 
@@ -18,7 +18,13 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 
 ### Removed
 
-- Dependency on `php-http/message`.
+- Dependency on `php-http/message`. 
+
+### [Unreleased]
+
+- API v4 Email Validation; please use US Servers with your public key instead
+(please check the Issues [617](https://github.com/mailgun/mailgun-php/issues/617)
+and [619](https://github.com/mailgun/mailgun-php/issues/619) for further details)
 
 ## 2.8.1