diff --git a/src/main/java/com/cribbstechnologies/clients/mandrill/model/MandrillMessage.java b/src/main/java/com/cribbstechnologies/clients/mandrill/model/MandrillMessage.java
index bde1dd9..a843770 100644
--- a/src/main/java/com/cribbstechnologies/clients/mandrill/model/MandrillMessage.java
+++ b/src/main/java/com/cribbstechnologies/clients/mandrill/model/MandrillMessage.java
@@ -18,7 +18,8 @@ public class MandrillMessage {
 	private String[] google_analytics_domains = new String[0];
 	private String[] google_analytics_campaign = new String[0];
     private List<MergeVar> global_merge_vars;
-	
+    List<MessageMergeVars> merge_vars;
+
 	private Map<String, String> headers;
 	
 	public String getSubject() {
@@ -133,4 +134,12 @@ public List<MergeVar> getGlobal_merge_vars() {
     public void setGlobal_merge_vars(List<MergeVar> global_merge_vars) {
         this.global_merge_vars = global_merge_vars;
     }
+
+    public List<MessageMergeVars> getMerge_vars() {
+        return merge_vars;
+    }
+
+    public void setMerge_vars(List<MessageMergeVars> merge_vars) {
+        this.merge_vars = merge_vars;
+    }
 }
diff --git a/src/main/java/com/cribbstechnologies/clients/mandrill/model/MessageMergeVars.java b/src/main/java/com/cribbstechnologies/clients/mandrill/model/MessageMergeVars.java
new file mode 100644
index 0000000..365d87a
--- /dev/null
+++ b/src/main/java/com/cribbstechnologies/clients/mandrill/model/MessageMergeVars.java
@@ -0,0 +1,24 @@
+package com.cribbstechnologies.clients.mandrill.model;
+
+import java.util.List;
+
+public class MessageMergeVars {
+    private String rcpt;
+    private List<MergeVar> vars;
+
+    public String getRcpt() {
+        return rcpt;
+    }
+
+    public void setRcpt(String rcpt) {
+        this.rcpt = rcpt;
+    }
+
+    public List<MergeVar> getVars() {
+        return vars;
+    }
+
+    public void setVars(List<MergeVar> vars) {
+        this.vars = vars;
+    }
+}
diff --git a/src/test/java/com/cribbstechnologies/clients/mandrill/request/MandrillRESTRequestTest.java b/src/test/java/com/cribbstechnologies/clients/mandrill/request/MandrillRESTRequestTest.java
index 44c1ae9..368668b 100644
--- a/src/test/java/com/cribbstechnologies/clients/mandrill/request/MandrillRESTRequestTest.java
+++ b/src/test/java/com/cribbstechnologies/clients/mandrill/request/MandrillRESTRequestTest.java
@@ -262,6 +262,7 @@ public void testGetPostDataMandrillMessageRequest() throws Exception {
 		sb.append(",\"google_analytics_domains\":[]");
 		sb.append(",\"google_analytics_campaign\":[]");
         sb.append(",\"global_merge_vars\":null");
+        sb.append(",\"merge_vars\":null");
 		sb.append(",\"headers\":{\"headerName\":\"headerValue\"},");
 		sb.append("\"html\":\"Test html\"");
 		sb.append("}}");