Gemfile.lock in testrbl-0.3.0 vs Gemfile.lock in testrbl-0.3.1

@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    testrbl (0.3.0)
+    testrbl (0.3.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     activesupport (2.3.14)
@@ -30,10 +30,10 @@
   ruby
 
 DEPENDENCIES
   activesupport (= 2.3.14)
   bump
-  minitest
+  minitest (~> 5)
   rake
   rspec (~> 2)
   shoulda
   test-unit
   testrbl!