diff --git a/src/components/cases/documents-tab.tsx b/src/components/cases/documents-tab.tsx
index 799be4e..d611cda 100644
--- a/src/components/cases/documents-tab.tsx
+++ b/src/components/cases/documents-tab.tsx
@@ -99,7 +99,7 @@ export function CaseDocumentsTab({ caseId }: { caseId: string }) {
   const sanitizeName = (n: string) => n.replace(/[^a-zA-Z0-9._-]/g, "_");
 
   const uploadFile = async (file: File, folderPath: string) => {
-    if (file.size > MAX_BYTES) { toast.error(`${file.name}: too large (50MB max)`); return false; }
+    if (file.size > MAX_BYTES) { toast.error(`${file.name}: too large (150MB max)`); return false; }
     const storagePath = `${caseId}/${Date.now()}-${Math.random().toString(36).slice(2, 6)}-${sanitizeName(file.name)}`;
     const { error: upErr } = await supabase.storage.from("case-documents").upload(storagePath, file);
     if (upErr) { toast.error(`${file.name}: upload failed`, { description: upErr.message }); return false; }
diff --git a/supabase/migrations/20260422173545_09f41704-0710-49b5-9a29-700609641581.sql b/supabase/migrations/20260422173545_09f41704-0710-49b5-9a29-700609641581.sql
new file mode 100644
index 0000000..b097a5f
--- /dev/null
+++ b/supabase/migrations/20260422173545_09f41704-0710-49b5-9a29-700609641581.sql
@@ -0,0 +1 @@
+UPDATE storage.buckets SET file_size_limit = 157286400 WHERE id IN ('case-documents', 'case-receipts', 'case-reports', 'generated-documents', 'message-attachments');
\ No newline at end of file