diff --git a/README.md b/README.md
index d5e9a58ba..0c14a562e 100644
--- a/README.md
+++ b/README.md
@@ -73,9 +73,9 @@ Add Twilio SendGrid to your `composer.json` file. If you are not using [Composer
 
 #### Alternative: Install package from zip
 
-If you are not using Composer, simply download and install the **[latest packaged release of the library as a zip](https://github.com/sendgrid/sendgrid-php/releases/download/7.6.0/sendgrid-php.zip)**.
+If you are not using Composer, simply download and install the **[latest packaged release of the library as a zip](https://github.com/sendgrid/sendgrid-php/releases/download/7.7.0/sendgrid-php.zip)**.
 
-[**⬇︎ Download Packaged Library ⬇︎**](https://github.com/sendgrid/sendgrid-php/releases/download/7.6.0/sendgrid-php.zip)
+[**⬇︎ Download Packaged Library ⬇︎**](https://github.com/sendgrid/sendgrid-php/releases/download/7.7.0/sendgrid-php.zip)
 
 Previous versions of the library can be found in the [version index](https://sendgrid-open-source.s3.amazonaws.com/index.html) or downloaded directly from [GitHub](https://github.com/sendgrid/sendgrid-php/releases).
 
diff --git a/lib/BaseSendGridClientInterface.php b/lib/BaseSendGridClientInterface.php
index 373330b33..43987e9df 100644
--- a/lib/BaseSendGridClientInterface.php
+++ b/lib/BaseSendGridClientInterface.php
@@ -12,7 +12,7 @@
 abstract class BaseSendGridClientInterface
 {
     /** @var string SendGrid API library version */
-    const VERSION = '7.6.0';
+    const VERSION = '7.7.0';
 
     /** @var Client SendGrid HTTP Client library */
     public $client;