diff --git a/spec/unit/action/clear_forwarded_ports_spec.rb b/spec/unit/action/clear_forwarded_ports_spec.rb
index c111032..af1380e 100644
--- a/spec/unit/action/clear_forwarded_ports_spec.rb
+++ b/spec/unit/action/clear_forwarded_ports_spec.rb
@@ -3,9 +3,9 @@ require 'unit_helper'
 require 'vagrant-lxc/action/clear_forwarded_ports'
 
 describe Vagrant::LXC::Action::ClearForwardedPorts do
-  let(:app)       { mock(:app, call: true) }
-  let(:env)       { {machine: machine, ui: stub(info: true)} }
-  let(:machine)   { mock(:machine, data_dir: data_dir) }
+  let(:app)       { double(:app, call: true) }
+  let(:env)       { {machine: machine, ui: double(info: true)} }
+  let(:machine)   { double(:machine, data_dir: data_dir) }
   let!(:data_dir) { Pathname.new(Dir.mktmpdir) }
   let(:pids_dir)  { data_dir.join('pids') }
   let(:pid)       { 'a-pid' }
diff --git a/spec/unit/action/compress_rootfs_spec.rb b/spec/unit/action/compress_rootfs_spec.rb
index b1caa8f..2a70ba4 100644
--- a/spec/unit/action/compress_rootfs_spec.rb
+++ b/spec/unit/action/compress_rootfs_spec.rb
@@ -3,8 +3,8 @@ require 'unit_helper'
 require 'vagrant-lxc/action/compress_rootfs'
 
 describe Vagrant::LXC::Action::CompressRootFS do
-  let(:app)                    { mock(:app, call: true) }
-  let(:env)                    { {machine: machine, ui: stub(info: true)} }
+  let(:app)                    { double(:app, call: true) }
+  let(:env)                    { {machine: machine, ui: double(info: true)} }
   let(:machine)                { instance_double('Vagrant::Machine', provider: provider) }
   let(:provider)               { instance_double('Vagrant::LXC::Provider', driver: driver) }
   let(:driver)                 { instance_double('Vagrant::LXC::Driver', compress_rootfs: compressed_rootfs_path) }
diff --git a/spec/unit/action/forward_ports_spec.rb b/spec/unit/action/forward_ports_spec.rb
index 9dc2253..c9c6c70 100644
--- a/spec/unit/action/forward_ports_spec.rb
+++ b/spec/unit/action/forward_ports_spec.rb
@@ -3,9 +3,9 @@ require 'unit_helper'
 require 'vagrant-lxc/action/forward_ports'
 
 describe Vagrant::LXC::Action::ForwardPorts do
-  let(:app)          { mock(:app, call: true) }
-  let(:env)          { {machine: machine, ui: stub(info: true)} }
-  let(:machine)      { mock(:machine) }
+  let(:app)          { double(:app, call: true) }
+  let(:env)          { {machine: machine, ui: double(info: true)} }
+  let(:machine)      { double(:machine) }
   let!(:data_dir)    { Pathname.new(Dir.mktmpdir) }
   let(:networks)     { [[:other_config, {}], [:forwarded_port, {guest: guest_port, host: host_port}]] }
   let(:host_port)    { 8080 }
diff --git a/spec/unit/action/handle_box_metadata_spec.rb b/spec/unit/action/handle_box_metadata_spec.rb
index 578fbf9..973948b 100644
--- a/spec/unit/action/handle_box_metadata_spec.rb
+++ b/spec/unit/action/handle_box_metadata_spec.rb
@@ -5,10 +5,10 @@ require 'vagrant-lxc/errors'
 require 'vagrant-lxc/action/handle_box_metadata'
 
 describe Vagrant::LXC::Action::HandleBoxMetadata do
-  let(:app)           { mock(:app, call: true) }
-  let(:env)           { {machine: machine, ui: stub(info: true)} }
-  let(:machine)       { mock(:machine, box: box) }
-  let(:box)           { mock(:box, name: 'box-name', metadata: metadata, directory: box_directory) }
+  let(:app)           { double(:app, call: true) }
+  let(:env)           { {machine: machine, ui: double(info: true)} }
+  let(:machine)       { double(:machine, box: box) }
+  let(:box)           { double(:box, name: 'box-name', metadata: metadata, directory: box_directory) }
   let(:box_directory) { Pathname.new('/path/to/box') }
   let(:version)       { '2' }
   let(:metadata)      { {'template-opts' => {'--foo' => 'bar'}, 'version' => version} }
diff --git a/spec/unit/action/setup_package_files_spec.rb b/spec/unit/action/setup_package_files_spec.rb
index 3c9a986..6c1c042 100644
--- a/spec/unit/action/setup_package_files_spec.rb
+++ b/spec/unit/action/setup_package_files_spec.rb
@@ -3,8 +3,8 @@ require 'unit_helper'
 require 'vagrant-lxc/action/setup_package_files'
 
 describe Vagrant::LXC::Action::SetupPackageFiles do
-  let(:app)         { mock(:app, call: true) }
-  let(:env)         { {machine: machine, tmp_path: tmp_path, ui: stub(info: true), 'package.rootfs' => rootfs_path} }
+  let(:app)         { double(:app, call: true) }
+  let(:env)         { {machine: machine, tmp_path: tmp_path, ui: double(info: true), 'package.rootfs' => rootfs_path} }
   let(:machine)     { instance_double('Vagrant::Machine', box: box) }
   let!(:tmp_path)   { Pathname.new(Dir.mktmpdir) }
   let(:box)         { instance_double('Vagrant::Box', directory: tmp_path.join('box')) }