Gemfile.lock in lamby-4.2.0 vs Gemfile.lock in lamby-4.2.1

@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    lamby (4.2.0)
+    lamby (4.2.1)
       rack
 
 GEM
   remote: https://rubygems.org/
   specs: