diff --git a/backend/migrations/004_add_ebook_folder_path.up.sql b/backend/migrations/004_add_ebook_folder_path.up.sql
new file mode 100644
index 0000000..8a1eb91
--- /dev/null
+++ b/backend/migrations/004_add_ebook_folder_path.up.sql
@@ -0,0 +1,2 @@
+-- Add ebook_folder_path to users table
+ALTER TABLE users ADD COLUMN ebook_folder_path VARCHAR(500);
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diff --git a/backend/migrations/005_create_user_ebook_folders.up.sql b/backend/migrations/005_create_user_ebook_folders.up.sql
new file mode 100644
index 0000000..7e1b2c8
--- /dev/null
+++ b/backend/migrations/005_create_user_ebook_folders.up.sql
@@ -0,0 +1,11 @@
+-- Create user_ebook_folders table for multiple folders per user
+CREATE TABLE user_ebook_folders (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    folder_path VARCHAR(500) NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(user_id, folder_path)
+);
+
+-- Create index for faster lookups
+CREATE INDEX idx_user_ebook_folders_user_id ON user_ebook_folders(user_id);
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diff --git a/backend/migrations/006_drop_ebook_folder_path.up.sql b/backend/migrations/006_drop_ebook_folder_path.up.sql
new file mode 100644
index 0000000..4b6b5df
--- /dev/null
+++ b/backend/migrations/006_drop_ebook_folder_path.up.sql
@@ -0,0 +1,2 @@
+-- Drop the old ebook_folder_path column from users table
+ALTER TABLE users DROP COLUMN IF EXISTS ebook_folder_path;
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