diff --git a/.github/workflows/sanity-test.yaml b/.github/workflows/sanity-test.yaml
index 096924dba..c24dc1141 100644
--- a/.github/workflows/sanity-test.yaml
+++ b/.github/workflows/sanity-test.yaml
@@ -364,10 +364,34 @@ jobs:
           service: groups
           kind: initial
           backup-args: '--group "${{ vars.CORSO_M365_TEST_TEAM_ID }}"'
+          restore-args: '--folder ${{ env.RESTORE_DEST_PFX }}${{ steps.new-data-creation-sharepoint.outputs.result }}'
           test-folder: '${{ env.RESTORE_DEST_PFX }}${{ steps.new-data-creation-groups.outputs.result }}'
           log-dir: ${{ env.CORSO_LOG_DIR }}
+          with-export: true
 
-      # TODO: incrementals
+      # generate some more enteries for incremental check
+      - name: Groups - Create new data (for incremental)
+        working-directory: ./src/cmd/factory
+        run: |
+          go run . sharepoint files  \
+            --site ${{ secrets.CORSO_M365_TEST_SITE_URL }} \
+            --user ${{ env.TEST_USER }} \
+            --secondaryuser  ${{ env.CORSO_SECONDARY_M365_TEST_USER_ID }} \
+            --tenant ${{ secrets.TENANT_ID }} \
+            --destination ${{ env.RESTORE_DEST_PFX }}${{ steps.new-data-creation-groups.outputs.result }} \
+            --count 4
+
+      - name: Groups - Incremental backup
+        id: groups-incremental
+        uses: ./.github/actions/backup-restore-test
+        with:
+          service: groups
+          kind: incremental
+          backup-args: '--site "${{ secrets.CORSO_M365_TEST_SITE_URL }}"'
+          restore-args: '--folder ${{ env.RESTORE_DEST_PFX }}${{ steps.new-data-creation-groups.outputs.result }}'
+          test-folder: '${{ env.RESTORE_DEST_PFX }}${{ steps.new-data-creation-groups.outputs.result }}'
+          log-dir: ${{ env.CORSO_LOG_DIR }}
+          with-export: true
 
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