diff --git a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
index 4f81f970bf2db..a2c5ccdadc760 100644
--- a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
+++ b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
@@ -452,10 +452,20 @@ export enum InstanceClass {
   PARALLEL3 = 'p3',
 
   /**
-   * Parallel-processing optimized instances, 3nd generation
+   * Parallel-processing optimized instances, 3rd generation
    */
   P3 = 'p3',
 
+  /**
+   * Parallel-processing optimized instances, 4th generation
+   */
+  PARALLEL4 = 'p4d',
+
+  /**
+   * Parallel-processing optimized instances, 4th generation
+   */
+  P4D = 'p4d',
+
   /**
    * Arm processor based instances, 1st generation
    */