Gemfile.lock in ziptz-2.1.5 vs Gemfile.lock in ziptz-2.1.6

@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    ziptz (2.1.5)
+    ziptz (2.1.6)
 
 GEM
   remote: https://rubygems.org/
   specs:
     activemodel (6.0.1)