diff --git a/connectors/src/lib/data_sources.ts b/connectors/src/lib/data_sources.ts
index 202c11a8ec55b..50beaecf0075a 100644
--- a/connectors/src/lib/data_sources.ts
+++ b/connectors/src/lib/data_sources.ts
@@ -9,6 +9,7 @@ import type {
   CoreAPIFolder,
   CoreAPITable,
   PostDataSourceDocumentRequestBody,
+  ProviderVisibility,
 } from "@dust-tt/types";
 import {
   isValidDate,
@@ -1249,7 +1250,7 @@ export async function _upsertDataSourceFolder({
   parentId: string | null;
   title: string;
   mimeType: string;
-  providerVisibility?: string;
+  providerVisibility?: ProviderVisibility;
 }) {
   const now = new Date();
 
diff --git a/sdks/js/src/index.ts b/sdks/js/src/index.ts
index 636ed3e35238a..64fbbcc3c9431 100644
--- a/sdks/js/src/index.ts
+++ b/sdks/js/src/index.ts
@@ -841,7 +841,7 @@ export class DustAPI {
     parentId: string | null;
     parents: string[];
     mimeType: string;
-    providerVisibility: string | null;
+    providerVisibility: "public" | "private" | null;
   }) {
     const res = await this.request({
       method: "POST",
diff --git a/types/src/front/lib/connectors_api.ts b/types/src/front/lib/connectors_api.ts
index 863598f6bbe0a..78ac41372b660 100644
--- a/types/src/front/lib/connectors_api.ts
+++ b/types/src/front/lib/connectors_api.ts
@@ -56,6 +56,7 @@ export type ConnectorType = {
  */
 export type ConnectorPermission = "read" | "write" | "read_write" | "none";
 export type ContentNodeType = "file" | "folder" | "database" | "channel";
+export type ProviderVisibility = "public" | "private";
 
 /*
  * This constant defines the priority order for sorting content nodes by their type.
@@ -107,7 +108,7 @@ export interface ContentNode {
   preventSelection?: boolean;
   permission: ConnectorPermission;
   lastUpdatedAt: number | null;
-  providerVisibility?: "public" | "private";
+  providerVisibility?: ProviderVisibility;
 }
 
 export type ContentNodeWithParentIds = ContentNode & {
diff --git a/types/src/front/lib/core_api.ts b/types/src/front/lib/core_api.ts
index b240ea160f6eb..2a2239b6c2f72 100644
--- a/types/src/front/lib/core_api.ts
+++ b/types/src/front/lib/core_api.ts
@@ -26,6 +26,7 @@ import {
 import { LightWorkspaceType } from "../../front/user";
 import { LoggerInterface } from "../../shared/logger";
 import { Err, Ok, Result } from "../../shared/result";
+import { ProviderVisibility } from "./connectors_api";
 
 export const MAX_CHUNK_SIZE = 512;
 
@@ -1553,7 +1554,7 @@ export class CoreAPI {
     parents: string[];
     title: string;
     mimeType: string;
-    providerVisibility: string | null | undefined;
+    providerVisibility: ProviderVisibility | null | undefined;
   }): Promise<CoreAPIResponse<{ folder: CoreAPIFolder }>> {
     const response = await this._fetchWithError(
       `${this._url}/projects/${projectId}/data_sources/${encodeURIComponent(