diff --git a/build.rb b/build.rb
index 8b54d713..db68fec2 100755
--- a/build.rb
+++ b/build.rb
@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby -wU
 
 PLACEHOLDERS = {
-  'RUBY_SETUP_VERSION' => "3.1.2",
+  'RUBY_SETUP_VERSION' => "3.3.5",
   'NVM_VERSION' => "0.39.1",
   'NODE_VERSION' => "16.15.1",
   'GEMS' => "colored faker http pry-byebug rake rails:7.1.3.4 rest-client rspec rubocop-performance sqlite3:1.7.3 activerecord:7.1.3.2"