diff --git a/gemfiles/rails70_gems.rb b/gemfiles/rails70_gems.rb
index 9baddabd..25f20115 100644
--- a/gemfiles/rails70_gems.rb
+++ b/gemfiles/rails70_gems.rb
@@ -7,3 +7,4 @@
 gem "capybara", ">= 3.26"
 gem 'mutex_m'
 gem 'drb'
+gem 'bigdecimal'