Gemfile.lock in unicode-confusable-1.7.0 vs Gemfile.lock in unicode-confusable-1.8.0

@@ -1,21 +1,27 @@
 PATH
   remote: .
   specs:
-    unicode-confusable (1.3.0)
+    unicode-confusable (1.7.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    io-console (0.5.6)
+    irb (1.2.9)
+      reline (>= 0.1.5)
     minitest (5.10.2)
     rake (12.0.0)
+    reline (0.1.10)
+      io-console (~> 0.5)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  irb
   minitest
   rake
   unicode-confusable!
 
 BUNDLED WITH
-   1.14.6
+   2.1.4