Gemfile.lock in stack_trace-0.3.0 vs Gemfile.lock in stack_trace-0.4.0

@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    stack_trace (0.3.0)
+    stack_trace (0.4.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.5.0)