Gemfile.lock in unicode-blocks-1.4.0 vs Gemfile.lock in unicode-blocks-1.5.0

@@ -1,21 +1,23 @@
 PATH
   remote: .
   specs:
-    unicode-blocks (1.3.0)
+    unicode-blocks (1.5.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    irb (1.0.0)
     minitest (5.11.3)
     rake (12.3.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  irb
   minitest
   rake
   unicode-blocks!
 
 BUNDLED WITH
-   1.16.1
+   1.17.2