diff --git a/lib/bundler/version.rb b/lib/bundler/version.rb
index a73b900d96..fa24b4966e 100644
--- a/lib/bundler/version.rb
+++ b/lib/bundler/version.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 
 module Bundler
-  VERSION = "2.6.2".freeze
+  VERSION = "2.7.0.dev".freeze
 
   def self.bundler_major_version
     @bundler_major_version ||= VERSION.split(".").first.to_i
diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 55e3661844..5951dfe05b 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -9,7 +9,7 @@
 require "rbconfig"
 
 module Gem
-  VERSION = "3.6.2"
+  VERSION = "3.7.0.dev"
 end
 
 # Must be first since it unloads the prelude from 1.9.2
diff --git a/spec/bundler/realworld/fixtures/warbler/Gemfile.lock b/spec/bundler/realworld/fixtures/warbler/Gemfile.lock
index 65455fdcbf..497726eba2 100644
--- a/spec/bundler/realworld/fixtures/warbler/Gemfile.lock
+++ b/spec/bundler/realworld/fixtures/warbler/Gemfile.lock
@@ -27,4 +27,4 @@ DEPENDENCIES
   warbler (~> 2.0)
 
 BUNDLED WITH
-   2.6.0.dev
+   2.7.0.dev