diff --git a/CHANGELOG.md b/CHANGELOG.md
index 153b41ab..c4d21b6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 PayPal PHP SDK release notes
 ============================
 
+1.13.0
+-----
+* Add HUF as a non-decimal currency [#974](https://github.com/paypal/PayPal-PHP-SDK/pull/974).
+* Add `purchaseOrder` in `CartBase` [#939](https://github.com/paypal/PayPal-PHP-SDK/pull/939).
+* Fixed annotation bug [#872](https://github.com/paypal/PayPal-PHP-SDK/pull/872).
+* Update PHPUnit [#979](https://github.com/paypal/PayPal-PHP-SDK/pull/979).
+
 1.12.0
 -----
 * Add `getToken` method to `Payment` class to retrieve EC token from approval URL.
diff --git a/lib/PayPal/Core/PayPalConstants.php b/lib/PayPal/Core/PayPalConstants.php
index 9c2c2254..d601ff0d 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 = '1.12.0';
+    const SDK_VERSION = '1.13.0';
 
     /**
      * Approval URL for Payment