Gemfile in lbfgsb-0.3.2 vs Gemfile in lbfgsb-0.4.0

@@ -1,8 +1,10 @@
 source "https://rubygems.org"
 
 # Specify your gem's dependencies in lbfgsb.gemspec
 gemspec
 
-gem "rake", "~> 12.0"
+gem "rake", "~> 13.0"
 gem "rake-compiler"
 gem "rspec", "~> 3.0"
+gem "rbs", "~> 1.2"
+gem "steep", "~> 0.44"