diff --git a/SQL Scripts/functions/update_project_documents_sort_rpc.sql b/SQL Scripts/functions/update_project_documents_sort_rpc.sql
new file mode 100644
index 0000000..810ae7c
--- /dev/null
+++ b/SQL Scripts/functions/update_project_documents_sort_rpc.sql	
@@ -0,0 +1,31 @@
+CREATE
+    OR REPLACE FUNCTION update_project_documents_sort_rpc (
+    _project_id uuid,
+    _document_ids uuid[]
+) RETURNS BOOLEAN AS $body$
+DECLARE
+    current_index INT = 0;
+    _document_id uuid;
+BEGIN
+    -- Check project policy that project documents can be updated by this user
+    IF NOT (check_action_policy_organization(auth.uid(), 'project_documents', 'UPDATE')
+        OR check_action_policy_project(auth.uid(), 'project_documents', 'UPDATE', _project_id))
+    THEN
+        RETURN FALSE;
+    END IF;
+
+    FOREACH _document_id IN ARRAY _document_ids
+    LOOP
+
+        UPDATE public.project_documents pd
+           SET sort = current_index
+         WHERE pd.document_id = _document_id
+           AND pd.project_id = _project_id;
+
+        current_index :=  current_index + 1;
+
+    END LOOP;
+
+    RETURN TRUE;
+END
+$body$ LANGUAGE plpgsql SECURITY DEFINER;
\ No newline at end of file
diff --git a/supabase/migrations/20241024105310_add_sort_to_project_documents.sql b/supabase/migrations/20241024105310_add_sort_to_project_documents.sql
new file mode 100644
index 0000000..52f3048
--- /dev/null
+++ b/supabase/migrations/20241024105310_add_sort_to_project_documents.sql
@@ -0,0 +1,33 @@
+alter table "public"."project_documents" add column sort integer default 0;
+
+CREATE
+    OR REPLACE FUNCTION update_project_documents_sort_rpc (
+    _project_id uuid,
+    _document_ids uuid[]
+) RETURNS BOOLEAN AS $body$
+DECLARE
+    _current_index integer = 0;
+    _document_id uuid;
+BEGIN
+    -- Check project policy that project documents can be updated by this user
+    IF NOT (check_action_policy_organization(auth.uid(), 'project_documents', 'UPDATE')
+        OR check_action_policy_project(auth.uid(), 'project_documents', 'UPDATE', _project_id))
+    THEN
+        RETURN FALSE;
+    END IF;
+
+    FOREACH _document_id IN ARRAY _document_ids
+        LOOP
+
+            UPDATE public.project_documents pd
+               SET sort = _current_index
+             WHERE pd.document_id = _document_id
+               AND pd.project_id = _project_id;
+
+            _current_index :=  _current_index + 1;
+
+        END LOOP;
+
+    RETURN TRUE;
+END
+$body$ LANGUAGE plpgsql SECURITY DEFINER;
\ No newline at end of file