diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index fc11bf4fa7..f90e6c5c85 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -8,7 +8,7 @@
 require 'rbconfig'
 
 module Gem
-  VERSION = "3.2.6".freeze
+  VERSION = "3.2.7".freeze
 end
 
 # Must be first since it unloads the prelude from 1.9.2
diff --git a/lib/rubygems/installer_uninstaller_utils.rb b/lib/rubygems/installer_uninstaller_utils.rb
index e81ed4cba3..2c8b7c635e 100644
--- a/lib/rubygems/installer_uninstaller_utils.rb
+++ b/lib/rubygems/installer_uninstaller_utils.rb
@@ -6,11 +6,16 @@
 module Gem::InstallerUninstallerUtils
 
   def regenerate_plugins_for(spec, plugins_dir)
+    plugins = spec.plugins
+    return if plugins.empty?
+
+    require 'pathname'
+
     spec.plugins.each do |plugin|
       plugin_script_path = File.join plugins_dir, "#{spec.name}_plugin#{File.extname(plugin)}"
 
       File.open plugin_script_path, 'wb' do |file|
-        file.puts "require '#{plugin}'"
+        file.puts "require_relative '#{Pathname.new(plugin).relative_path_from(Pathname.new(plugins_dir))}'"
       end
 
       verbose plugin_script_path
diff --git a/lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/vertex.rb b/lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/vertex.rb
index 88b6580a52..f4cc333dd1 100644
--- a/lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/vertex.rb
+++ b/lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/vertex.rb
@@ -128,7 +128,7 @@ module Gem::Resolver::Molinillo
 
       # Is there a path from `self` to `other` following edges in the
       # dependency graph?
-      # @return true iff there is a path following edges within this {#graph}
+      # @return whether there is a path following edges within this {#graph}
       def path_to?(other)
         _path_to?(other)
       end
diff --git a/lib/rubygems/resolver/molinillo/lib/molinillo/errors.rb b/lib/rubygems/resolver/molinillo/lib/molinillo/errors.rb
index 2ec6b068ac..a6e182e84d 100644
--- a/lib/rubygems/resolver/molinillo/lib/molinillo/errors.rb
+++ b/lib/rubygems/resolver/molinillo/lib/molinillo/errors.rb
@@ -34,7 +34,7 @@ module Gem::Resolver::Molinillo
 
   # An error caused by attempting to fulfil a dependency that was circular
   #
-  # @note This exception will be thrown iff a {Vertex} is added to a
+  # @note This exception will be thrown if and only if a {Vertex} is added to a
   #   {DependencyGraph} that has a {DependencyGraph::Vertex#path_to?} an
   #   existing {DependencyGraph::Vertex}
   class CircularDependencyError < ResolverError
diff --git a/test/rubygems/test_gem_installer.rb b/test/rubygems/test_gem_installer.rb
index 4ce7e92442..5652d86331 100644
--- a/test/rubygems/test_gem_installer.rb
+++ b/test/rubygems/test_gem_installer.rb
@@ -821,6 +821,8 @@ gem 'other', version
 
     assert !File.exist?(system_path), 'plugin written incorrect written to system plugins_dir'
     assert File.exist?(build_root_path), 'plugin not written to build_root'
+
+    refute_includes File.read(build_root_path), build_root
   end
 
   def test_keeps_plugins_up_to_date
diff --git a/test/rubygems/test_gem_stream_ui.rb b/test/rubygems/test_gem_stream_ui.rb
index ca6dbc6a8b..a62e9ea0cf 100644
--- a/test/rubygems/test_gem_stream_ui.rb
+++ b/test/rubygems/test_gem_stream_ui.rb
@@ -5,7 +5,7 @@ require 'timeout'
 
 class TestGemStreamUI < Gem::TestCase
   # increase timeout with MJIT for --jit-wait testing
-  mjit_enabled = defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
+  mjit_enabled = defined?(RubyVM::JIT) ? RubyVM::JIT.enabled? : defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
   SHORT_TIMEOUT = (RUBY_ENGINE == "ruby" && !mjit_enabled) ? 0.1 : 1.0
 
   module IsTty