diff --git a/Gemfile.lock b/Gemfile.lock
index c3e6b68..5e29671 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../knapsack_pro-ruby
   specs:
-    knapsack_pro (5.7.0)
+    knapsack_pro (6.0.0)
       rake
 
 GEM