diff --git a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
index 3eae246416e0c..43a3c44d8d6fc 100644
--- a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
+++ b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
@@ -128,6 +128,16 @@ export enum InstanceClass {
    */
   T2 = 't2',
 
+  /**
+   * Burstable instances, 3rd generation
+   */
+  Burstable3 = 't3',
+
+  /**
+   * Burstable instances, 3rd generation
+   */
+  T3 = 't3',
+
   /**
    * Memory-intensive instances, 1st generation
    */