Gemfile.lock in mesh-medical-subject-headings-1.2.1 vs Gemfile.lock in mesh-medical-subject-headings-1.2.2

@@ -1,18 +1,19 @@
 PATH
   remote: .
   specs:
-    mesh-medical-subject-headings (1.2.1)
+    mesh-medical-subject-headings (1.2.2)
 
 GEM
   remote: https://rubygems.org/
   specs:
     metaclass (0.0.2)
     minitest (5.0.8)
     mocha (1.0.0)
       metaclass (~> 0.0.1)
     rake (10.1.1)
+    ruby-prof (0.14.2)
     yard (0.8.7.3)
 
 PLATFORMS
   ruby
 
@@ -20,6 +21,7 @@
   bundler (~> 1.3)
   mesh-medical-subject-headings!
   minitest (~> 5.0.8)
   mocha
   rake
+  ruby-prof
   yard