Gemfile.lock in d_heap-0.6.0 vs Gemfile.lock in d_heap-0.6.1

@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    d_heap (0.6.0)
+    d_heap (0.6.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.1)