Gemfile.lock in train-tax-calculator-2.2.1 vs Gemfile.lock in train-tax-calculator-2.2.2

@@ -4,11 +4,16 @@
     train-tax-calculator (2.2.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    coderay (1.1.2)
     diff-lcs (1.3)
+    method_source (0.9.0)
+    pry (0.11.3)
+      coderay (~> 1.1.0)
+      method_source (~> 0.9.0)
     rake (10.5.0)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
       rspec-mocks (~> 3.7.0)
@@ -25,9 +30,10 @@
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bundler (~> 1.16)
+  pry
   rake (~> 10.0)
   rspec (~> 3.0)
   train-tax-calculator!
 
 BUNDLED WITH