diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..77dd162
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,48 @@
+# Ruby CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-ruby/ for more details
+#
+version: 2
+jobs:
+  build:
+    docker:
+      # specify the version you desire here
+       - image: circleci/ruby:2.4.1-node-browsers
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "Gemfile.lock" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run:
+          name: install dependencies
+          command: |
+            bundle install --jobs=4 --retry=3 --path vendor/bundle
+      - save_cache:
+          paths:
+            - ./vendor/bundle
+          key: v1-dependencies-{{ checksum "Gemfile.lock" }}
+
+      # run tests!
+      - run:
+          name: run tests
+          command: |
+            mkdir /tmp/test-results
+            TEST_FILES="$(circleci tests glob "spec/**/*_spec.rb" | circleci tests split --split-by=timings)"
+            bundle exec rspec --format progress \
+                            --out /tmp/test-results/rspec.xml \
+                            --format progress \
+                            $TEST_FILES
+      # collect reports
+      - store_test_results:
+          path: /tmp/test-results
+      - store_artifacts:
+          path: /tmp/test-results
+          destination: test-results
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 08783da..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
----
-sudo: false
-language: ruby
-cache: bundler
-rvm:
-  - 2.5.5
-before_install: gem install bundler -v 2.0.1
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..2985d1a
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,35 @@
+PATH
+  remote: .
+  specs:
+    simple-redis-lock (0.1.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.3)
+    rake (10.5.0)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-expectations (3.9.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bundler (~> 2.0)
+  rake (~> 10.0)
+  rspec (~> 3.0)
+  simple-redis-lock!
+
+BUNDLED WITH
+   2.0.1
diff --git a/lib/simple_redis_lock/redis_lock.rb b/lib/simple_redis_lock/redis_lock.rb
index 45e3ca7..133358e 100644
--- a/lib/simple_redis_lock/redis_lock.rb
+++ b/lib/simple_redis_lock/redis_lock.rb
@@ -5,7 +5,7 @@
 module SimpleRedisLock
   class RedisLock
     DEFAULT_RETRY_COUNT = 25
-    DEFAULT_TTL = 5.seconds
+    # DEFAULT_TTL = 5.seconds # TODO: add active support?
     UNLOCK_SCRIPT = <<~LUA
       if redis.call("get",KEYS[1]) == ARGV[1] then
         return redis.call("del",KEYS[1])
diff --git a/lib/simple_redis_lock/version.rb b/lib/simple_redis_lock/version.rb
new file mode 100644
index 0000000..6f87267
--- /dev/null
+++ b/lib/simple_redis_lock/version.rb
@@ -0,0 +1,3 @@
+module SimpleRedisLock
+  VERSION = '0.1.0'.freeze
+end
diff --git a/simple-redis-lock.gemspec b/simple-redis-lock.gemspec
index 6e2d33c..95f8a47 100644
--- a/simple-redis-lock.gemspec
+++ b/simple-redis-lock.gemspec
@@ -1,42 +1,23 @@
 
-lib = File.expand_path("../lib", __FILE__)
+lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require "simple/redis/lock/version"
+require 'simple_redis_lock/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = "simple-redis-lock"
-  spec.version       = Simple::Redis::Lock::VERSION
-  spec.authors       = ["MaicolBen"]
-  spec.email         = ["maicol.bentancor@gmail.com"]
+  spec.name          = 'simple-redis-lock'
+  spec.version       = SimpleRedisLock::VERSION
+  spec.authors          = ['Hint']
+  spec.email         = ['maicol.bentancor@gmail.com']
 
-  spec.summary       = %q{TODO: Write a short summary, because RubyGems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
-  spec.license       = "MIT"
+  spec.summary       = 'Simple redis lock'
+  spec.license       = 'MIT'
 
-  # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
-  # to allow pushing to a single host or delete this section to allow pushing to any host.
-  if spec.respond_to?(:metadata)
-    spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
-
-    spec.metadata["homepage_uri"] = spec.homepage
-    spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
-    spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
-  else
-    raise "RubyGems 2.0 or newer is required to protect against " \
-      "public gem pushes."
-  end
-
-  # Specify which files should be added to the gem when it is released.
-  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
-  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
-    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  end
-  spec.bindir        = "exe"
+  spec.files                 = Dir['lib/**/*.rb']
+  spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
-  spec.require_paths = ["lib"]
+  spec.require_paths = ['lib']
 
-  spec.add_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency 'bundler', '~> 2.0'
+  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rspec', '~> 3.0'
 end
diff --git a/spec/simple/redis/lock_spec.rb b/spec/simple/redis/lock_spec.rb
deleted file mode 100644
index 4043e03..0000000
--- a/spec/simple/redis/lock_spec.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-RSpec.describe Simple::Redis::Lock do
-  it "has a version number" do
-    expect(Simple::Redis::Lock::VERSION).not_to be nil
-  end
-
-  it "does something useful" do
-    expect(false).to eq(true)
-  end
-end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e3cf646..5d5dc03 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,9 +1,9 @@
-require "bundler/setup"
-require "simple/redis/lock"
+require 'bundler/setup'
+require 'simple_redis_lock/redis_lock'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
-  config.example_status_persistence_file_path = ".rspec_status"
+  config.example_status_persistence_file_path = '.rspec_status'
 
   # Disable RSpec exposing methods globally on `Module` and `main`
   config.disable_monkey_patching!