diff --git a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
index a2c5ccdadc76..1fc4e02f25da 100644
--- a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
+++ b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
@@ -208,6 +208,16 @@ export enum InstanceClass {
    */
   C5 = 'c5',
 
+  /**
+   * Compute optimized instances, 6th generation
+   */
+  COMPUTE6_INTEL = 'c6i',
+
+  /**
+   * Compute optimized instances, 6th generation
+   */
+  C6I = 'c6i',
+
   /**
    * Compute optimized instances with local NVME drive, 5th generation
    */