diff --git a/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.test.ts b/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.test.ts
index 3855722..149f577 100644
--- a/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.test.ts
+++ b/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.test.ts
@@ -8,14 +8,17 @@ import { weeklyFinancialReportsWorkflow } from './weeklyFinancialReports.workflo
 vi.mock('@temporalio/workflow', () => {
   const getTargetUnitsMock = vi.fn();
   const fetchFinancialAppDataMock = vi.fn();
+  const sendReportToSlackMock = vi.fn();
 
   return {
     proxyActivities: () => ({
       getTargetUnits: getTargetUnitsMock,
       fetchFinancialAppData: fetchFinancialAppDataMock,
+      sendReportToSlack: sendReportToSlackMock,
     }),
     __getTargetUnitsMock: () => getTargetUnitsMock,
     __getFetchFinancialAppDataMock: () => fetchFinancialAppDataMock,
+    __getSendReportToSlackMock: () => sendReportToSlackMock,
   };
 });
 
@@ -23,6 +26,7 @@ describe('weeklyFinancialReportsWorkflow', () => {
   type WorkflowModuleWithMock = typeof workflowModule & {
     __getTargetUnitsMock: () => ReturnType<typeof vi.fn>;
     __getFetchFinancialAppDataMock: () => ReturnType<typeof vi.fn>;
+    __getSendReportToSlackMock: () => ReturnType<typeof vi.fn>;
   };
   const getTargetUnitsMock = (
     workflowModule as WorkflowModuleWithMock
@@ -30,10 +34,14 @@ describe('weeklyFinancialReportsWorkflow', () => {
   const fetchFinancialAppDataMock = (
     workflowModule as WorkflowModuleWithMock
   ).__getFetchFinancialAppDataMock();
+  const sendReportToSlackMock = (
+    workflowModule as WorkflowModuleWithMock
+  ).__getSendReportToSlackMock();
 
   beforeEach(() => {
     getTargetUnitsMock.mockReset();
     fetchFinancialAppDataMock.mockReset();
+    sendReportToSlackMock.mockReset();
   });
 
   it('throws AppError for invalid group name', async () => {
@@ -72,12 +80,17 @@ describe('weeklyFinancialReportsWorkflow', () => {
     fetchFinancialAppDataMock.mockResolvedValueOnce({
       fileLink: 'result.json',
     });
+    sendReportToSlackMock.mockResolvedValueOnce('slack-link.json');
     const result = await weeklyFinancialReportsWorkflow(
       GroupNameEnum.SD_REPORT,
     );
 
-    expect(result).toBe('result.json');
+    expect(result).toBe('slack-link.json');
     expect(getTargetUnitsMock).toHaveBeenCalledWith(GroupNameEnum.SD_REPORT);
     expect(fetchFinancialAppDataMock).toHaveBeenCalledWith('file.json');
+    expect(sendReportToSlackMock).toHaveBeenCalledWith(
+      'file.json',
+      'result.json',
+    );
   });
 });
diff --git a/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.ts b/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.ts
index 1e4a5aa..531b9ec 100644
--- a/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.ts
+++ b/workers/main/src/workflows/weeklyFinancialReports/weeklyFinancialReports.workflow.ts
@@ -5,11 +5,10 @@ import { AppError } from '../../common/errors';
 import { GroupName } from '../../common/types';
 import { GroupNameEnum } from '../../configs/weeklyFinancialReport';
 
-const { getTargetUnits, fetchFinancialAppData } = proxyActivities<
-  typeof activities
->({
-  startToCloseTimeout: '10 minutes',
-});
+const { getTargetUnits, fetchFinancialAppData, sendReportToSlack } =
+  proxyActivities<typeof activities>({
+    startToCloseTimeout: '10 minutes',
+  });
 
 export async function weeklyFinancialReportsWorkflow(
   groupName: GroupName,
@@ -23,5 +22,5 @@ export async function weeklyFinancialReportsWorkflow(
   const targetUnits = await getTargetUnits(groupName);
   const finData = await fetchFinancialAppData(targetUnits.fileLink);
 
-  return finData.fileLink;
+  return await sendReportToSlack(targetUnits.fileLink, finData.fileLink);
 }