diff --git a/frontend/src/core/services/apiClient.ts b/frontend/src/core/services/apiClient.ts
index 57869fc36..0a5e7be14 100644
--- a/frontend/src/core/services/apiClient.ts
+++ b/frontend/src/core/services/apiClient.ts
@@ -7,6 +7,7 @@ import { getApiBaseUrl } from '@app/services/apiClientConfig';
 const apiClient = axios.create({
   baseURL: getApiBaseUrl(),
   responseType: 'json',
+  withCredentials: true,
 });
 
 // Setup interceptors (core does nothing, proprietary adds JWT auth)