Gemfile.lock in train-tax-calculator-2.2.0 vs Gemfile.lock in train-tax-calculator-2.2.1

@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    train-tax-calculator (2.1.0)
+    train-tax-calculator (2.2.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)