diff --git a/CHANGELOG.md b/CHANGELOG.md
index 881ce26..f7e8d74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 PayPal PHP SDK release notes
 ============================
 
+1.8.0
+-----
+* Updated Webhooks APIs [#653](https://github.com/paypal/PayPal-PHP-SDK/pull/653).
+* Updated Invoicing APIs [#657](https://github.com/paypal/PayPal-PHP-SDK/pull/657).
+* UTF-8 encoding bug fix [#655](https://github.com/paypal/PayPal-PHP-SDK/pull/655).
+* Updated PSR log [#654](https://github.com/paypal/PayPal-PHP-SDK/pull/654).
+
 1.7.4
 -----
 *  Fixed Duplicate conditional expression in PayPalCredentialManager.php [#594](https://github.com/paypal/PayPal-PHP-SDK/pull/594).
diff --git a/lib/PayPal/Core/PayPalConstants.php b/lib/PayPal/Core/PayPalConstants.php
index 3e98183..9011710 100644
--- a/lib/PayPal/Core/PayPalConstants.php
+++ b/lib/PayPal/Core/PayPalConstants.php
@@ -12,7 +12,7 @@ class PayPalConstants
 {
 
     const SDK_NAME = 'PayPal-PHP-SDK';
-    const SDK_VERSION = '1.7.4';
+    const SDK_VERSION = '1.8.0';
 
     /**
      * Approval URL for Payment