diff --git a/lib/bundler/current_ruby.rb b/lib/bundler/current_ruby.rb
index f84d68e262..27997982c0 100644
--- a/lib/bundler/current_ruby.rb
+++ b/lib/bundler/current_ruby.rb
@@ -21,6 +21,7 @@ module Bundler
       2.6
       2.7
       3.0
+      3.1
     ].freeze
 
     KNOWN_MAJOR_VERSIONS = KNOWN_MINOR_VERSIONS.map {|v| v.split(".", 2).first }.uniq.freeze
diff --git a/lib/bundler/dependency.rb b/lib/bundler/dependency.rb
index 94e85053dd..d12b120bba 100644
--- a/lib/bundler/dependency.rb
+++ b/lib/bundler/dependency.rb
@@ -20,6 +20,9 @@ module Bundler
       :ruby_24  => Gem::Platform::RUBY,
       :ruby_25  => Gem::Platform::RUBY,
       :ruby_26  => Gem::Platform::RUBY,
+      :ruby_27  => Gem::Platform::RUBY,
+      :ruby_30  => Gem::Platform::RUBY,
+      :ruby_31  => Gem::Platform::RUBY,
       :mri      => Gem::Platform::RUBY,
       :mri_18   => Gem::Platform::RUBY,
       :mri_19   => Gem::Platform::RUBY,
@@ -30,6 +33,9 @@ module Bundler
       :mri_24   => Gem::Platform::RUBY,
       :mri_25   => Gem::Platform::RUBY,
       :mri_26   => Gem::Platform::RUBY,
+      :mri_27   => Gem::Platform::RUBY,
+      :mri_30   => Gem::Platform::RUBY,
+      :mri_31   => Gem::Platform::RUBY,
       :rbx      => Gem::Platform::RUBY,
       :truffleruby => Gem::Platform::RUBY,
       :jruby    => Gem::Platform::JAVA,
@@ -45,6 +51,9 @@ module Bundler
       :mswin_24 => Gem::Platform::MSWIN,
       :mswin_25 => Gem::Platform::MSWIN,
       :mswin_26 => Gem::Platform::MSWIN,
+      :mswin_27 => Gem::Platform::MSWIN,
+      :mswin_30 => Gem::Platform::MSWIN,
+      :mswin_31 => Gem::Platform::MSWIN,
       :mswin64    => Gem::Platform::MSWIN64,
       :mswin64_19 => Gem::Platform::MSWIN64,
       :mswin64_20 => Gem::Platform::MSWIN64,
@@ -54,6 +63,9 @@ module Bundler
       :mswin64_24 => Gem::Platform::MSWIN64,
       :mswin64_25 => Gem::Platform::MSWIN64,
       :mswin64_26 => Gem::Platform::MSWIN64,
+      :mswin64_27 => Gem::Platform::MSWIN64,
+      :mswin64_30 => Gem::Platform::MSWIN64,
+      :mswin64_31 => Gem::Platform::MSWIN64,
       :mingw    => Gem::Platform::MINGW,
       :mingw_18 => Gem::Platform::MINGW,
       :mingw_19 => Gem::Platform::MINGW,
@@ -64,6 +76,9 @@ module Bundler
       :mingw_24 => Gem::Platform::MINGW,
       :mingw_25 => Gem::Platform::MINGW,
       :mingw_26 => Gem::Platform::MINGW,
+      :mingw_27 => Gem::Platform::MINGW,
+      :mingw_30 => Gem::Platform::MINGW,
+      :mingw_31 => Gem::Platform::MINGW,
       :x64_mingw    => Gem::Platform::X64_MINGW,
       :x64_mingw_20 => Gem::Platform::X64_MINGW,
       :x64_mingw_21 => Gem::Platform::X64_MINGW,
@@ -72,6 +87,9 @@ module Bundler
       :x64_mingw_24 => Gem::Platform::X64_MINGW,
       :x64_mingw_25 => Gem::Platform::X64_MINGW,
       :x64_mingw_26 => Gem::Platform::X64_MINGW,
+      :x64_mingw_27 => Gem::Platform::X64_MINGW,
+      :x64_mingw_30 => Gem::Platform::X64_MINGW,
+      :x64_mingw_31 => Gem::Platform::X64_MINGW,
     }.freeze
 
     def initialize(name, version, options = {}, &blk)
diff --git a/spec/bundler/bundler/dsl_spec.rb b/spec/bundler/bundler/dsl_spec.rb
index a44a12924c..4802b62a58 100644
--- a/spec/bundler/bundler/dsl_spec.rb
+++ b/spec/bundler/bundler/dsl_spec.rb
@@ -137,8 +137,9 @@ RSpec.describe Bundler::Dsl do
   end
 
   describe "#gem" do
-    [:ruby, :ruby_18, :ruby_19, :ruby_20, :ruby_21, :ruby_22, :ruby_23, :ruby_24, :ruby_25, :ruby_26, :mri, :mri_18, :mri_19,
-     :mri_20, :mri_21, :mri_22, :mri_23, :mri_24, :mri_25, :mri_26, :jruby, :rbx, :truffleruby].each do |platform|
+    [:ruby, :ruby_18, :ruby_19, :ruby_20, :ruby_21, :ruby_22, :ruby_23, :ruby_24, :ruby_25, :ruby_26, :ruby_27,
+     :ruby_30, :ruby_31, :mri, :mri_18, :mri_19, :mri_20, :mri_21, :mri_22, :mri_23, :mri_24, :mri_25, :mri_26,
+     :mri_27, :mri_30, :mri_31, :jruby, :rbx, :truffleruby].each do |platform|
       it "allows #{platform} as a valid platform" do
         subject.gem("foo", :platform => platform)
       end