diff --git a/clients/client-emr/src/models/models_0.ts b/clients/client-emr/src/models/models_0.ts
index adf7ebf10767..09b4abbe7374 100644
--- a/clients/client-emr/src/models/models_0.ts
+++ b/clients/client-emr/src/models/models_0.ts
@@ -932,6 +932,16 @@ export interface AddJobFlowStepsInput {
    * <p> A list of <a>StepConfig</a> to be executed by the job flow. </p>
    */
   Steps: StepConfig[] | undefined;
+
+  /**
+   * <p>The Amazon Resource Name (ARN) of the runtime role for a step on the cluster. The
+   *          runtime role can be a cross-account IAM role. The runtime role ARN is a combination of
+   *          account ID, role name, and role type using the following format:
+   *             <code>arn:partition:service:region:account:resource</code>. </p>
+   *          <p>For example, <code>arn:aws:iam::1234567890:role/ReadOnly</code> is a correctly formatted
+   *          runtime role ARN.</p>
+   */
+  ExecutionRoleArn?: string;
 }
 
 export namespace AddJobFlowStepsInput {
@@ -3294,6 +3304,16 @@ export interface Step {
    * <p>The current execution status details of the cluster step.</p>
    */
   Status?: StepStatus;
+
+  /**
+   * <p>The Amazon Resource Name (ARN) of the runtime role for a step on the cluster. The
+   *          runtime role can be a cross-account IAM role. The runtime role ARN is a combination of
+   *          account ID, role name, and role type using the following format:
+   *             <code>arn:partition:service:region:account:resource</code>. </p>
+   *          <p>For example, <code>arn:aws:iam::1234567890:role/ReadOnly</code> is a correctly formatted
+   *          runtime role ARN.</p>
+   */
+  ExecutionRoleArn?: string;
 }
 
 export namespace Step {
diff --git a/clients/client-emr/src/protocols/Aws_json1_1.ts b/clients/client-emr/src/protocols/Aws_json1_1.ts
index f84f462f8b0f..63bf36420180 100644
--- a/clients/client-emr/src/protocols/Aws_json1_1.ts
+++ b/clients/client-emr/src/protocols/Aws_json1_1.ts
@@ -3431,6 +3431,8 @@ const serializeAws_json1_1AddInstanceGroupsInput = (input: AddInstanceGroupsInpu
 
 const serializeAws_json1_1AddJobFlowStepsInput = (input: AddJobFlowStepsInput, context: __SerdeContext): any => {
   return {
+    ...(input.ExecutionRoleArn !== undefined &&
+      input.ExecutionRoleArn !== null && { ExecutionRoleArn: input.ExecutionRoleArn }),
     ...(input.JobFlowId !== undefined && input.JobFlowId !== null && { JobFlowId: input.JobFlowId }),
     ...(input.Steps !== undefined &&
       input.Steps !== null && { Steps: serializeAws_json1_1StepConfigList(input.Steps, context) }),
@@ -6812,6 +6814,7 @@ const deserializeAws_json1_1Step = (output: any, context: __SerdeContext): Step
       output.Config !== undefined && output.Config !== null
         ? deserializeAws_json1_1HadoopStepConfig(output.Config, context)
         : undefined,
+    ExecutionRoleArn: __expectString(output.ExecutionRoleArn),
     Id: __expectString(output.Id),
     Name: __expectString(output.Name),
     Status:
diff --git a/codegen/sdk-codegen/aws-models/emr.json b/codegen/sdk-codegen/aws-models/emr.json
index 837d57f4f006..67afd6db72c9 100644
--- a/codegen/sdk-codegen/aws-models/emr.json
+++ b/codegen/sdk-codegen/aws-models/emr.json
@@ -212,6 +212,12 @@
             "smithy.api#documentation": "<p> A list of <a>StepConfig</a> to be executed by the job flow. </p>",
             "smithy.api#required": {}
           }
+        },
+        "ExecutionRoleArn": {
+          "target": "com.amazonaws.emr#ArnType",
+          "traits": {
+            "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the runtime role for a step on the cluster. The\n         runtime role can be a cross-account IAM role. The runtime role ARN is a combination of\n         account ID, role name, and role type using the following format:\n            <code>arn:partition:service:region:account:resource</code>. </p>\n         <p>For example, <code>arn:aws:iam::1234567890:role/ReadOnly</code> is a correctly formatted\n         runtime role ARN.</p>"
+          }
         }
       },
       "traits": {
@@ -7289,6 +7295,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The current execution status details of the cluster step.</p>"
           }
+        },
+        "ExecutionRoleArn": {
+          "target": "com.amazonaws.emr#OptionalArnType",
+          "traits": {
+            "smithy.api#documentation": "<p>The Amazon Resource Name (ARN) of the runtime role for a step on the cluster. The\n         runtime role can be a cross-account IAM role. The runtime role ARN is a combination of\n         account ID, role name, and role type using the following format:\n            <code>arn:partition:service:region:account:resource</code>. </p>\n         <p>For example, <code>arn:aws:iam::1234567890:role/ReadOnly</code> is a correctly formatted\n         runtime role ARN.</p>"
+          }
         }
       },
       "traits": {