Gemfile.lock in grumlin-0.7.0 vs Gemfile.lock in grumlin-0.8.0

@@ -1,11 +1,13 @@
 PATH
   remote: .
   specs:
-    grumlin (0.7.0)
+    grumlin (0.8.0)
       async-pool (~> 0.3)
       async-websocket (~> 0.19)
+      oj (~> 3.12)
+      zeitwerk (~> 2.4)
 
 GEM
   remote: https://rubygems.org/
   specs:
     activesupport (6.1.3.2)
@@ -60,9 +62,10 @@
       kramdown (~> 2.0)
     minitest (5.14.4)
     nio4r (2.5.8)
     nokogiri (1.11.7-x86_64-linux)
       racc (~> 1.4)
+    oj (3.13.4)
     overcommit (0.57.0)
       childprocess (>= 0.6.3, < 5)
       iniparse (~> 1.4)
     parallel (1.20.1)
     parser (3.0.1.1)