diff --git a/.fern/metadata.json b/.fern/metadata.json
index 659327584..00cad54c3 100644
--- a/.fern/metadata.json
+++ b/.fern/metadata.json
@@ -20,5 +20,5 @@
         "testFramework": "jest",
         "enableForwardCompatibleEnums": true
     },
-    "sdkVersion": "4.0.1"
+    "sdkVersion": "4.0.2"
 }
diff --git a/package.json b/package.json
index 537b8d53b..4b36deee8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@mergeapi/merge-node-client",
-    "version": "4.0.1",
+    "version": "4.0.2",
     "private": false,
     "repository": {
         "type": "git",
diff --git a/reference.md b/reference.md
index 70e0fa24a..d422be979 100644
--- a/reference.md
+++ b/reference.md
@@ -15427,6 +15427,7 @@ const pageableResponse = await client.accounting.projects.list({
     includeDeletedData: true,
     includeRemoteData: true,
     includeShellData: true,
+    isActive: "is_active",
     modifiedAfter: new Date("2024-01-15T09:30:00.000Z"),
     modifiedBefore: new Date("2024-01-15T09:30:00.000Z"),
     pageSize: 1,
@@ -15445,6 +15446,7 @@ let page = await client.accounting.projects.list({
     includeDeletedData: true,
     includeRemoteData: true,
     includeShellData: true,
+    isActive: "is_active",
     modifiedAfter: new Date("2024-01-15T09:30:00.000Z"),
     modifiedBefore: new Date("2024-01-15T09:30:00.000Z"),
     pageSize: 1,
diff --git a/src/BaseClient.ts b/src/BaseClient.ts
index e63f7ba18..4affcf1db 100644
--- a/src/BaseClient.ts
+++ b/src/BaseClient.ts
@@ -56,8 +56,8 @@ export function normalizeClientOptions<T extends BaseClientOptions = BaseClientO
         {
             "X-Fern-Language": "JavaScript",
             "X-Fern-SDK-Name": "@mergeapi/merge-node-client",
-            "X-Fern-SDK-Version": "4.0.1",
-            "User-Agent": "@mergeapi/merge-node-client/4.0.1",
+            "X-Fern-SDK-Version": "4.0.2",
+            "User-Agent": "@mergeapi/merge-node-client/4.0.2",
             "X-Fern-Runtime": core.RUNTIME.type,
             "X-Fern-Runtime-Version": core.RUNTIME.version,
             "X-Account-Token": options?.accountToken,
diff --git a/src/api/resources/accounting/resources/projects/client/Client.ts b/src/api/resources/accounting/resources/projects/client/Client.ts
index 1ed7b13d9..3a8a2509f 100644
--- a/src/api/resources/accounting/resources/projects/client/Client.ts
+++ b/src/api/resources/accounting/resources/projects/client/Client.ts
@@ -38,6 +38,7 @@ export class ProjectsClient {
      *         includeDeletedData: true,
      *         includeRemoteData: true,
      *         includeShellData: true,
+     *         isActive: "is_active",
      *         modifiedAfter: new Date("2024-01-15T09:30:00.000Z"),
      *         modifiedBefore: new Date("2024-01-15T09:30:00.000Z"),
      *         pageSize: 1,
@@ -61,6 +62,7 @@ export class ProjectsClient {
                     includeDeletedData,
                     includeRemoteData,
                     includeShellData,
+                    isActive,
                     modifiedAfter,
                     modifiedBefore,
                     pageSize,
@@ -85,6 +87,7 @@ export class ProjectsClient {
                     include_deleted_data: includeDeletedData,
                     include_remote_data: includeRemoteData,
                     include_shell_data: includeShellData,
+                    is_active: isActive,
                     modified_after: modifiedAfter?.toISOString(),
                     modified_before: modifiedBefore?.toISOString(),
                     page_size: pageSize,
diff --git a/src/api/resources/accounting/resources/projects/client/requests/ProjectsListRequest.ts b/src/api/resources/accounting/resources/projects/client/requests/ProjectsListRequest.ts
index 9aa8d3e01..fb223b52e 100644
--- a/src/api/resources/accounting/resources/projects/client/requests/ProjectsListRequest.ts
+++ b/src/api/resources/accounting/resources/projects/client/requests/ProjectsListRequest.ts
@@ -12,6 +12,7 @@ import type * as Merge from "../../../../../../index";
  *         includeDeletedData: true,
  *         includeRemoteData: true,
  *         includeShellData: true,
+ *         isActive: "is_active",
  *         modifiedAfter: new Date("2024-01-15T09:30:00.000Z"),
  *         modifiedBefore: new Date("2024-01-15T09:30:00.000Z"),
  *         pageSize: 1,
@@ -35,6 +36,8 @@ export interface ProjectsListRequest {
     includeRemoteData?: boolean;
     /** Whether to include shell records. Shell records are empty records (they may contain some metadata but all other fields are null). */
     includeShellData?: boolean;
+    /** If provided, will only return projects with this value for is_active. */
+    isActive?: string;
     /** If provided, only objects synced by Merge after this date time will be returned. */
     modifiedAfter?: Date;
     /** If provided, only objects synced by Merge before this date time will be returned. */
diff --git a/src/api/resources/accounting/types/InvoiceLineItem.ts b/src/api/resources/accounting/types/InvoiceLineItem.ts
index 67eb09ef2..21163fac4 100644
--- a/src/api/resources/accounting/types/InvoiceLineItem.ts
+++ b/src/api/resources/accounting/types/InvoiceLineItem.ts
@@ -355,6 +355,8 @@ export interface InvoiceLineItem {
     company?: string;
     /** Indicates whether or not this object has been deleted in the third party platform. Full coverage deletion detection is a premium add-on. Native deletion detection is offered for free with limited coverage. [Learn more](https://docs.merge.dev/integrations/hris/supported-features/). */
     remoteWasDeleted?: boolean;
+    /** Indicates if the line item can be charged to the client/customer. */
+    isBillable?: boolean;
     fieldMappings?: Record<string, unknown>;
     remoteFields?: Merge.accounting.RemoteField[];
 }
diff --git a/src/api/resources/accounting/types/InvoiceLineItemRequest.ts b/src/api/resources/accounting/types/InvoiceLineItemRequest.ts
index df29419e7..d54ae3c21 100644
--- a/src/api/resources/accounting/types/InvoiceLineItemRequest.ts
+++ b/src/api/resources/accounting/types/InvoiceLineItemRequest.ts
@@ -348,6 +348,8 @@ export interface InvoiceLineItemRequest {
     trackingCategories?: (Merge.accounting.InvoiceLineItemRequestTrackingCategoriesItem | undefined)[];
     /** The company the invoice belongs to. */
     company?: string;
+    /** Indicates if the line item can be charged to the client/customer. */
+    isBillable?: boolean;
     integrationParams?: Record<string, unknown>;
     linkedAccountParams?: Record<string, unknown>;
     remoteFields?: Merge.accounting.RemoteFieldRequest[];
diff --git a/src/serialization/resources/accounting/types/InvoiceLineItem.ts b/src/serialization/resources/accounting/types/InvoiceLineItem.ts
index d4314789a..3e2dd27d6 100644
--- a/src/serialization/resources/accounting/types/InvoiceLineItem.ts
+++ b/src/serialization/resources/accounting/types/InvoiceLineItem.ts
@@ -39,6 +39,7 @@ export const InvoiceLineItem: core.serialization.ObjectSchema<
     ),
     company: core.serialization.string().optional(),
     remoteWasDeleted: core.serialization.property("remote_was_deleted", core.serialization.boolean().optional()),
+    isBillable: core.serialization.property("is_billable", core.serialization.boolean().optional()),
     fieldMappings: core.serialization.property(
         "field_mappings",
         core.serialization.record(core.serialization.string(), core.serialization.unknown()).optional(),
@@ -68,6 +69,7 @@ export declare namespace InvoiceLineItem {
         tracking_categories?: (InvoiceLineItemTrackingCategoriesItem.Raw | null | undefined)[] | null;
         company?: string | null;
         remote_was_deleted?: boolean | null;
+        is_billable?: boolean | null;
         field_mappings?: Record<string, unknown> | null;
         remote_fields?: RemoteField.Raw[] | null;
     }
diff --git a/src/serialization/resources/accounting/types/InvoiceLineItemRequest.ts b/src/serialization/resources/accounting/types/InvoiceLineItemRequest.ts
index eb99c7994..1fbfd0cb5 100644
--- a/src/serialization/resources/accounting/types/InvoiceLineItemRequest.ts
+++ b/src/serialization/resources/accounting/types/InvoiceLineItemRequest.ts
@@ -38,6 +38,7 @@ export const InvoiceLineItemRequest: core.serialization.ObjectSchema<
         core.serialization.list(InvoiceLineItemRequestTrackingCategoriesItem.optional()).optional(),
     ),
     company: core.serialization.string().optional(),
+    isBillable: core.serialization.property("is_billable", core.serialization.boolean().optional()),
     integrationParams: core.serialization.property(
         "integration_params",
         core.serialization.record(core.serialization.string(), core.serialization.unknown()).optional(),
@@ -67,6 +68,7 @@ export declare namespace InvoiceLineItemRequest {
         tracking_category?: InvoiceLineItemRequestTrackingCategory.Raw | null;
         tracking_categories?: (InvoiceLineItemRequestTrackingCategoriesItem.Raw | null | undefined)[] | null;
         company?: string | null;
+        is_billable?: boolean | null;
         integration_params?: Record<string, unknown> | null;
         linked_account_params?: Record<string, unknown> | null;
         remote_fields?: RemoteFieldRequest.Raw[] | null;
diff --git a/src/version.ts b/src/version.ts
index 45528ca2f..2c0fafcd9 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const SDK_VERSION = "4.0.1";
+export const SDK_VERSION = "4.0.2";
diff --git a/tests/wire/Accounting/invoices.test.ts b/tests/wire/Accounting/invoices.test.ts
index a569add04..b99d6d050 100644
--- a/tests/wire/Accounting/invoices.test.ts
+++ b/tests/wire/Accounting/invoices.test.ts
@@ -83,6 +83,7 @@ describe("InvoicesClient", () => {
                                 "a47e11b6-c73b-4a0c-be31-130fc48177fa",
                             ],
                             company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
+                            is_billable: true,
                             field_mappings: {
                                 organization_defined_targets: { custom_key: "custom_value" },
                                 linked_account_defined_targets: { custom_key: "custom_value" },
@@ -198,6 +199,7 @@ describe("InvoicesClient", () => {
                                 "a47e11b6-c73b-4a0c-be31-130fc48177fa",
                             ],
                             company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
+                            isBillable: true,
                             fieldMappings: {
                                 organization_defined_targets: {
                                     custom_key: "custom_value",
@@ -360,6 +362,7 @@ describe("InvoicesClient", () => {
                             "a47e11b6-c73b-4a0c-be31-130fc48177fa",
                         ],
                         company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
+                        is_billable: true,
                         field_mappings: {
                             organization_defined_targets: { custom_key: "custom_value" },
                             linked_account_defined_targets: { custom_key: "custom_value" },
@@ -510,6 +513,7 @@ describe("InvoicesClient", () => {
                             "a47e11b6-c73b-4a0c-be31-130fc48177fa",
                         ],
                         company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
+                        isBillable: true,
                         fieldMappings: {
                             organization_defined_targets: {
                                 custom_key: "custom_value",
@@ -681,6 +685,7 @@ describe("InvoicesClient", () => {
                     ],
                     company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
                     remote_was_deleted: true,
+                    is_billable: true,
                     field_mappings: {
                         organization_defined_targets: { custom_key: "custom_value" },
                         linked_account_defined_targets: { custom_key: "custom_value" },
@@ -801,6 +806,7 @@ describe("InvoicesClient", () => {
                     ],
                     company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
                     remoteWasDeleted: true,
+                    isBillable: true,
                     fieldMappings: {
                         organization_defined_targets: {
                             custom_key: "custom_value",
@@ -944,6 +950,7 @@ describe("InvoicesClient", () => {
                             "a47e11b6-c73b-4a0c-be31-130fc48177fa",
                         ],
                         company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
+                        is_billable: true,
                         field_mappings: {
                             organization_defined_targets: { custom_key: "custom_value" },
                             linked_account_defined_targets: { custom_key: "custom_value" },
@@ -1094,6 +1101,7 @@ describe("InvoicesClient", () => {
                             "a47e11b6-c73b-4a0c-be31-130fc48177fa",
                         ],
                         company: "595c8f97-2ac4-45b7-b000-41bdf43240b5",
+                        isBillable: true,
                         fieldMappings: {
                             organization_defined_targets: {
                                 custom_key: "custom_value",
diff --git a/tests/wire/Accounting/projects.test.ts b/tests/wire/Accounting/projects.test.ts
index eb874dca4..7a4ce0a20 100644
--- a/tests/wire/Accounting/projects.test.ts
+++ b/tests/wire/Accounting/projects.test.ts
@@ -80,6 +80,7 @@ describe("ProjectsClient", () => {
             includeDeletedData: true,
             includeRemoteData: true,
             includeShellData: true,
+            isActive: "is_active",
             modifiedAfter: new Date("2024-01-15T09:30:00.000Z"),
             modifiedBefore: new Date("2024-01-15T09:30:00.000Z"),
             pageSize: 1,