Gemfile.lock in rubrowser-2.7.1 vs Gemfile.lock in rubrowser-2.8.0

@@ -14,18 +14,20 @@
     ast (2.2.0)
     byebug (9.0.6)
     diff-lcs (1.3)
     litecable (0.5.0)
       anyway_config (~> 1.0)
+    nio4r (2.5.2)
     parallel (1.12.0)
     parser (2.4.0.0)
       ast (~> 2.2)
     powerpack (0.1.1)
-    puma (3.11.3)
+    puma (4.3.3)
+      nio4r (~> 2.0)
     rainbow (2.2.2)
       rake
-    rake (10.4.2)
+    rake (13.0.1)
     rspec (3.6.0)
       rspec-core (~> 3.6.0)
       rspec-expectations (~> 3.6.0)
       rspec-mocks (~> 3.6.0)
     rspec-core (3.6.0)
@@ -52,10 +54,10 @@
   ruby
 
 DEPENDENCIES
   bundler (~> 1.14)
   byebug
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec
   rubocop
   rubrowser!
 
 BUNDLED WITH