diff --git a/dip.yml b/dip.yml
index b529fcc..35d1ff5 100644
--- a/dip.yml
+++ b/dip.yml
@@ -3,6 +3,7 @@ version: '1'
 environment:
   DOCKER_RUBY_VERSION: 2.3
   RUBY_IMAGE_TAG: 2.3-latest
+  REDIS_IMAGE_TAG: 4-alpine
   COMPOSE_FILE_EXT: development
   RAILS_ENV: test
   APRESS_GEMS_CREDENTIALS: ""
diff --git a/docker-compose.yml b/docker-compose.yml
index a0b685d..da73b6b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,6 +5,13 @@ services:
     image: abakpress/ruby-app:$RUBY_IMAGE_TAG
     environment:
       - BUNDLE_PATH=/bundle/$DOCKER_RUBY_VERSION
+      - TEST_REDIS_HOST=redis
     command: bash
     volumes:
       - .:/app
+    depends_on:
+      - redis
+
+  redis:
+    image: redis:$REDIS_IMAGE_TAG
+    command: 'redis-server --bind 0.0.0.0'
diff --git a/resque-integration.gemspec b/resque-integration.gemspec
index 70588fb..a593631 100644
--- a/resque-integration.gemspec
+++ b/resque-integration.gemspec
@@ -34,7 +34,6 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'simplecov'
   gem.add_development_dependency 'appraisal', '>= 1.0.2'
   gem.add_development_dependency 'combustion', '>= 0.5.5'
-  gem.add_development_dependency 'mock_redis'
   gem.add_development_dependency 'timecop'
   gem.add_development_dependency 'pry-byebug'
 end
diff --git a/spec/resque/integration_spec.rb b/spec/resque/integration_spec.rb
index bc98b87..9f04dab 100644
--- a/spec/resque/integration_spec.rb
+++ b/spec/resque/integration_spec.rb
@@ -37,34 +37,49 @@ def self.execute(id, params)
         end
       end
 
-      it 'enqueues only one job' do
-        UniqueJob.enqueue(1, param: 'one')
+      let(:redis) { Resque.redis }
+      let(:travel_redis) do
+        ->(time) do
+          redis.keys.each do |key|
+            ttl = redis.ttl(key)
+            next if ttl <= 0
+
+            redis.expire(key, ttl - time.to_i)
+          end
+        end
+      end
 
-        Timecop.travel(10.hours.since) do
+      context 'when enqueues only one job' do
+        before do
           UniqueJob.enqueue(1, param: 'one')
 
-          expect(Resque.peek(:test, 0, 100).size).to eq(1)
+          travel_redis.call(10.hours)
+
+          UniqueJob.enqueue(1, param: 'one')
         end
-      end
 
-      it 'enqueues two jobs with differ args' do
-        UniqueJob.enqueue(1, param: 'one')
+        it { expect(Resque.peek(:test, 0, 100).size).to eq(1) }
+      end
 
-        Timecop.travel(10.hours.since) do
+      context 'when enqueues two jobs with differ args' do
+        before do
+          UniqueJob.enqueue(1, param: 'one')
           UniqueJob.enqueue(1, param: 'two')
-
-          expect(Resque.peek(:test, 0, 100).size).to eq(2)
         end
-      end
 
-      it 'enqueues two jobs after expire lock timeout' do
-        UniqueJob.enqueue(1, param: 'one')
+        it { expect(Resque.peek(:test, 0, 100).size).to eq(2) }
+      end
 
-        Timecop.travel(4.days.since) do
+      context 'when enqueues two jobs after expire lock timeout' do
+        before do
           UniqueJob.enqueue(1, param: 'one')
 
-          expect(Resque.peek(:test, 0, 100).size).to eq(2)
+          travel_redis.call(4.days)
+
+          UniqueJob.enqueue(1, param: 'one')
         end
+
+        it { expect(Resque.peek(:test, 0, 100).size).to eq(2) }
       end
 
       describe 'unlock' do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 0737de5..1b2dfe3 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -4,12 +4,13 @@
 require 'rspec/its'
 require 'resque'
 require 'simplecov'
-require 'mock_redis'
 require 'timecop'
 require 'pry-byebug'
 require 'combustion'
 
-Resque.redis = MockRedis.new
+redis = Redis.new(host: ENV['TEST_REDIS_HOST'])
+Redis.current = redis
+Resque.redis = redis
 
 SimpleCov.start