diff --git a/.github/workflows/test-and-deploy.yml b/.github/workflows/test-and-deploy.yml
index f447a23c..da0a2bc2 100644
--- a/.github/workflows/test-and-deploy.yml
+++ b/.github/workflows/test-and-deploy.yml
@@ -42,6 +42,11 @@ jobs:
           echo "GOBIN=$HOME/bin" >> $GITHUB_ENV
           echo "GO111MODULE=off" >> $GITHUB_ENV
 
+      - name: Install Docker Compose
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y docker-compose
+
       - name: Run Tests
         run: make test-docker
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe962665..ad1db81f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,22 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+[2024-08-26] Version 3.16.0
+---------------------------
+**Library - Chore**
+- [PR #479](https://github.com/sendgrid/sendgrid-go/pull/479): updates for manual release. Thanks to [@sbansla](https://github.com/sbansla)!
+- [PR #477](https://github.com/sendgrid/sendgrid-go/pull/477): fixed failed test cases due to go upgrade. Thanks to [@sbansla](https://github.com/sbansla)!
+
+**Library - Feature**
+- [PR #471](https://github.com/sendgrid/sendgrid-go/pull/471): add mail_v3 functionality for reply_to_list. Thanks to [@lopezator](https://github.com/lopezator)!
+
+
+[2024-08-08] Version 3.15.0
+---------------------------
+**Library - Feature**
+- [PR #471](https://github.com/sendgrid/sendgrid-go/pull/471): add mail_v3 functionality for reply_to_list
+
+
 [2023-12-01] Version 3.14.0
 ---------------------------
 **Library - Chore**
diff --git a/Dockerfile b/Dockerfile
index 09f21116..5b17ca24 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,4 @@
-ARG version=latest
-FROM golang:$version
+FROM golang:1.21.11
 
 ENV GO111MODULE 'off'
 
diff --git a/LICENSE b/LICENSE
index 3154774a..d703157e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (C) 2023, Twilio SendGrid, Inc. <help@twilio.com>
+Copyright (C) 2024, Twilio SendGrid, Inc. <help@twilio.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/base_interface.go b/base_interface.go
index f9c0d609..6fdaf3cf 100644
--- a/base_interface.go
+++ b/base_interface.go
@@ -15,7 +15,7 @@ import (
 
 // Version is this client library's current version
 const (
-	Version        = "3.14.0"
+	Version        = "3.16.0"
 	rateLimitRetry = 5
 	rateLimitSleep = 1100
 )
diff --git a/helpers/mail/mail_v3.go b/helpers/mail/mail_v3.go
index 7cbb3701..201a0138 100644
--- a/helpers/mail/mail_v3.go
+++ b/helpers/mail/mail_v3.go
@@ -37,6 +37,7 @@ type SGMailV3 struct {
 	MailSettings     *MailSettings      `json:"mail_settings,omitempty"`
 	TrackingSettings *TrackingSettings  `json:"tracking_settings,omitempty"`
 	ReplyTo          *Email             `json:"reply_to,omitempty"`
+	ReplyToList      []*Email           `json:"reply_to_list,omitempty"`
 }
 
 // Personalization holds mail body struct
@@ -239,6 +240,12 @@ func (s *SGMailV3) SetReplyTo(e *Email) *SGMailV3 {
 	return s
 }
 
+// SetReplyToList ...
+func (s *SGMailV3) SetReplyToList(e []*Email) *SGMailV3 {
+	s.ReplyToList = e
+	return s
+}
+
 // SetTemplateID ...
 func (s *SGMailV3) SetTemplateID(templateID string) *SGMailV3 {
 	s.TemplateID = templateID
diff --git a/helpers/mail/mail_v3_test.go b/helpers/mail/mail_v3_test.go
index 40139ca2..f7794320 100644
--- a/helpers/mail/mail_v3_test.go
+++ b/helpers/mail/mail_v3_test.go
@@ -96,6 +96,17 @@ func TestV3SetReplyTo(t *testing.T) {
 	assert.Equal(t, address, m.ReplyTo.Address, fmt.Sprintf("address should be %s, got %s", address, e.Address))
 }
 
+func TestV3SetReplyToList(t *testing.T) {
+	m := NewV3Mail()
+	replyTos := []*Email{
+		NewEmail("Example User", "test@example.com"),
+		NewEmail("Example User", "test@example.com"),
+	}
+	m.SetReplyToList(replyTos)
+
+	assert.Equal(t, len(replyTos), len(m.ReplyToList), fmt.Sprintf("length of To should be %d, got %d", len(replyTos), len(m.ReplyToList)))
+}
+
 func TestV3SetTemplateID(t *testing.T) {
 	m := NewV3Mail()