diff --git a/sample/sagemaker/2017-07-24/service-2.json b/sample/sagemaker/2017-07-24/service-2.json
index 793f9a6..53ca0e6 100644
--- a/sample/sagemaker/2017-07-24/service-2.json
+++ b/sample/sagemaker/2017-07-24/service-2.json
@@ -44798,6 +44798,10 @@
           "shape":"IPAddressType",
           "documentation":"<p>The IP address type for the notebook instance. Specify <code>ipv4</code> for IPv4-only connectivity or <code>dualstack</code> for both IPv4 and IPv6 connectivity. The notebook instance must be stopped before updating this setting. When you specify <code>dualstack</code>, the subnet must support IPv6 addressing.</p>"
         },
+        "PlatformIdentifier":{
+          "shape":"PlatformIdentifier",
+          "documentation":"<p>The platform identifier of the notebook instance runtime environment.</p>"
+        },
         "RoleArn":{
           "shape":"RoleArn",
           "documentation":"<p>The Amazon Resource Name (ARN) of the IAM role that SageMaker AI can assume to access the notebook instance. For more information, see <a href=\"https://docs.aws.amazon.com/sagemaker/latest/dg/sagemaker-roles.html\">SageMaker AI Roles</a>. </p> <note> <p>To be able to pass this role to SageMaker AI, the caller of this API must have the <code>iam:PassRole</code> permission.</p> </note>"
diff --git a/src/sagemaker_core/main/code_injection/shape_dag.py b/src/sagemaker_core/main/code_injection/shape_dag.py
index 9a6d08b..1415fe0 100644
--- a/src/sagemaker_core/main/code_injection/shape_dag.py
+++ b/src/sagemaker_core/main/code_injection/shape_dag.py
@@ -16379,6 +16379,7 @@
             {"name": "NotebookInstanceName", "shape": "NotebookInstanceName", "type": "string"},
             {"name": "InstanceType", "shape": "InstanceType", "type": "string"},
             {"name": "IpAddressType", "shape": "IPAddressType", "type": "string"},
+            {"name": "PlatformIdentifier", "shape": "PlatformIdentifier", "type": "string"},
             {"name": "RoleArn", "shape": "RoleArn", "type": "string"},
             {
                 "name": "LifecycleConfigName",
diff --git a/src/sagemaker_core/main/resources.py b/src/sagemaker_core/main/resources.py
index 63fbdf7..cb54678 100644
--- a/src/sagemaker_core/main/resources.py
+++ b/src/sagemaker_core/main/resources.py
@@ -22835,6 +22835,7 @@ def update(
         self,
         instance_type: Optional[str] = Unassigned(),
         ip_address_type: Optional[str] = Unassigned(),
+        platform_identifier: Optional[str] = Unassigned(),
         role_arn: Optional[str] = Unassigned(),
         lifecycle_config_name: Optional[str] = Unassigned(),
         disassociate_lifecycle_config: Optional[bool] = Unassigned(),
@@ -22883,6 +22884,7 @@ def update(
             "NotebookInstanceName": self.notebook_instance_name,
             "InstanceType": instance_type,
             "IpAddressType": ip_address_type,
+            "PlatformIdentifier": platform_identifier,
             "RoleArn": role_arn,
             "LifecycleConfigName": lifecycle_config_name,
             "DisassociateLifecycleConfig": disassociate_lifecycle_config,