diff --git a/packages/aws-cdk-lib/aws-ec2/lib/instance-types.ts b/packages/aws-cdk-lib/aws-ec2/lib/instance-types.ts
index 4da2094aa8f63..ae619d72522d3 100644
--- a/packages/aws-cdk-lib/aws-ec2/lib/instance-types.ts
+++ b/packages/aws-cdk-lib/aws-ec2/lib/instance-types.ts
@@ -158,6 +158,26 @@ export enum InstanceClass {
    */
   R6ID = 'r6id',
 
+  /**
+   * Memory optimized instances for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation
+   */
+  MEMORY6_INTEL_HIGH_PERFORMANCE = 'memory6-intel-high-performance',
+
+  /**
+   * Memory optimized instances for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation
+   */
+  R6IN = 'r6in',
+
+  /**
+   * Memory optimized instances with local NVME drive for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation
+   */
+  MEMORY6_INTEL_NVME_DRIVE_HIGH_PERFORMANCE = 'memory6-intel-nvme-drive-high-performance',
+
+  /**
+   * Memory optimized instances with local NVME drive for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation
+   */
+  R6IDN = 'r6idn',
+
   /**
    * Memory optimized instances for high performance computing, 5th generation
    */
@@ -900,6 +920,26 @@ export enum InstanceClass {
    */
   M6ID = 'm6id',
 
+  /**
+   * Standard instances for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation.
+   */
+  STANDARD6_INTEL_HIGH_PERFORMANCE = 'standard6-intel-high-performance',
+
+  /**
+   * Standard instances for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation.
+   */
+  M6IN = 'm6in',
+
+  /**
+   * Standard instances with local NVME drive for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation.
+   */
+  STANDARD6_INTEL_NVME_DRIVE_HIGH_PERFORMANCE = 'standard6-intel-nvme-drive-high-performance',
+
+  /**
+   * Standard instances with local NVME drive for high performance computing powered by Intel Xeon Scalable processors (code named Ice Lake), 6th generation.
+   */
+  M6IDN = 'm6idn',
+
   /**
    * Standard instances based on 3rd Gen AMD EPYC processors, 6th generation.
    */
@@ -1219,6 +1259,10 @@ export class InstanceType {
       [InstanceClass.R6I]: 'r6i',
       [InstanceClass.MEMORY6_INTEL_NVME_DRIVE]: 'r6id',
       [InstanceClass.R6ID]: 'r6id',
+      [InstanceClass.MEMORY6_INTEL_HIGH_PERFORMANCE]: 'r6in',
+      [InstanceClass.R6IN]: 'r6in',
+      [InstanceClass.MEMORY6_INTEL_NVME_DRIVE_HIGH_PERFORMANCE]: 'r6idn',
+      [InstanceClass.R6IDN]: 'r6idn',
       [InstanceClass.MEMORY5_HIGH_PERFORMANCE]: 'r5n',
       [InstanceClass.R5N]: 'r5n',
       [InstanceClass.MEMORY5_NVME_DRIVE]: 'r5d',
@@ -1355,6 +1399,10 @@ export class InstanceType {
       [InstanceClass.M6I]: 'm6i',
       [InstanceClass.STANDARD6_INTEL_NVME_DRIVE]: 'm6id',
       [InstanceClass.M6ID]: 'm6id',
+      [InstanceClass.STANDARD6_INTEL_HIGH_PERFORMANCE]: 'm6in',
+      [InstanceClass.M6IN]: 'm6in',
+      [InstanceClass.STANDARD6_INTEL_NVME_DRIVE_HIGH_PERFORMANCE]: 'm6idn',
+      [InstanceClass.M6IDN]: 'm6idn',
       [InstanceClass.STANDARD6_AMD]: 'm6a',
       [InstanceClass.M6A]: 'm6a',
       [InstanceClass.STANDARD6_GRAVITON2_NVME_DRIVE]: 'm6gd',