diff --git a/src/oca/rm/repo_manager.rb b/src/oca/rm/repo_manager.rb
index cb57a4971e..d5381ace00 100644
--- a/src/oca/rm/repo_manager.rb
+++ b/src/oca/rm/repo_manager.rb
@@ -3,6 +3,7 @@ require 'rubygems'
 #require 'storage_pool'
 require 'uuid'
 require 'fileutils'
+gem 'sequel', '< 3.0'
 require 'sequel'
 require 'logger'