diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39e6d18..195e3f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+### `0.5.2`
+- #141 Add Cirrus CI support
+
 ### `0.5.1`
 - #138 Update pass_ci_if_error flag
 
diff --git a/codecov.gemspec b/codecov.gemspec
index 989a413..7deec29 100644
--- a/codecov.gemspec
+++ b/codecov.gemspec
@@ -33,7 +33,6 @@ Gem::Specification.new do |s|
   s.add_dependency 'simplecov', '>= 0.15', '< 0.22'
 
   s.add_development_dependency 'minitest', '~> 5.0'
-  s.add_development_dependency 'minitest-ci', '~> 3.0'
   s.add_development_dependency 'mocha', '~> 1.0'
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'rubocop', '~> 1.0'
diff --git a/lib/codecov/formatter.rb b/lib/codecov/formatter.rb
index 47cf791..4caee62 100644
--- a/lib/codecov/formatter.rb
+++ b/lib/codecov/formatter.rb
@@ -59,7 +59,6 @@ def file_network
 
         invalid_directories = [
           'node_modules/',
-          'public/',
           'storage/',
           'tmp/',
           'vendor/'
diff --git a/lib/codecov/uploader.rb b/lib/codecov/uploader.rb
index 24d6cdb..47d9057 100644
--- a/lib/codecov/uploader.rb
+++ b/lib/codecov/uploader.rb
@@ -17,6 +17,7 @@ class Codecov::Uploader
     BITRISE = 'Bitrise CI',
     BUILDKITE = 'Buildkite CI',
     CIRCLE = 'Circle CI',
+    CIRRUS = 'Cirrus CI',
     CODEBUILD = 'Codebuild CI',
     CODESHIP = 'Codeship CI',
     DRONEIO = 'Drone CI',
@@ -41,8 +42,8 @@ def self.upload(report, disable_net_blockers = true)
     begin
       response = upload_to_codecov(ci, report)
     rescue StandardError => e
-      puts `#{e.message}`
-      puts `#{e.backtrace.join("\n")}`
+      puts e.message
+      puts e.backtrace.join("\n")
       raise e unless ::Codecov.pass_ci_if_error
 
       response = false
@@ -87,6 +88,8 @@ def self.detect_ci
            BUILDKITE
          elsif (ENV['CI'] == 'true') && (ENV['CIRCLECI'] == 'true')
            CIRCLE
+         elsif !ENV['CIRRUS_CI'].nil?
+           CIRRUS
          elsif ENV['CODEBUILD_CI'] == 'true'
            CODEBUILD
          elsif (ENV['CI'] == 'true') && (ENV['CI_NAME'] == 'codeship')
@@ -188,6 +191,16 @@ def self.build_params(ci)
       params[:pr] = ENV['CIRCLE_PR_NUMBER']
       params[:branch] = ENV['CIRCLE_BRANCH']
       params[:commit] = ENV['CIRCLE_SHA1']
+    when CIRRUS
+      # https://cirrus-ci.org/guide/writing-tasks/#environment-variables
+      params[:branch] = ENV['CIRRUS_BRANCH']
+      params[:build] = ENV['CIRRUS_BUILD_ID']
+      params[:build_url] = "https://cirrus-ci.com/tasks/#{ENV['CIRRUS_TASK_ID']}"
+      params[:commit] = ENV['CIRRUS_CHANGE_IN_REPO']
+      params[:job] = ENV['CIRRUS_TASK_NAME']
+      params[:pr] = ENV['CIRRUS_PR']
+      params[:service] = 'cirrus-ci'
+      params[:slug] = ENV['CIRRUS_REPO_FULL_NAME']
     when CODEBUILD
       # https://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref-env-vars.html
       # To use CodePipeline as CodeBuild source which sets no branch and slug variable:
diff --git a/lib/codecov/version.rb b/lib/codecov/version.rb
index cc888c2..d08c4b8 100644
--- a/lib/codecov/version.rb
+++ b/lib/codecov/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Codecov
-  VERSION = '0.5.1'
+  VERSION = '0.5.2'
 end
diff --git a/test/helper.rb b/test/helper.rb
index 1459c1f..57d6da1 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -14,6 +14,3 @@
 require 'minitest/autorun'
 require 'mocha/minitest'
 require 'webmock/minitest'
-
-require 'minitest/ci'
-Minitest::Ci.report_dir = '.' if ENV['CIRCLECI']
diff --git a/test/test_codecov.rb b/test/test_codecov.rb
index 68a56b7..edc740c 100644
--- a/test/test_codecov.rb
+++ b/test/test_codecov.rb
@@ -6,7 +6,8 @@ class TestCodecov < Minitest::Test
   CI = Codecov::Uploader.detect_ci
 
   REALENV =
-    if CI == Codecov::Uploader::CIRCLE
+    case CI
+    when Codecov::Uploader::CIRCLE
       {
         'CIRCLECI' => ENV['CIRCLECI'],
         'CIRCLE_BUILD_NUM' => ENV['CIRCLE_BUILD_NUM'],
@@ -18,7 +19,7 @@ class TestCodecov < Minitest::Test
         'CIRCLE_BRANCH' => ENV['CIRCLE_BRANCH'],
         'CIRCLE_SHA1' => ENV['CIRCLE_SHA1']
       }
-    elsif CI == Codecov::Uploader::GITHUB
+    when Codecov::Uploader::GITHUB
       {
         'GITHUB_ACTIONS' => ENV['GITHUB_ACTIONS'],
         'GITHUB_HEAD_REF' => ENV['GITHUB_HEAD_REF'],
@@ -27,7 +28,7 @@ class TestCodecov < Minitest::Test
         'GITHUB_RUN_ID' => ENV['GITHUB_RUN_ID'],
         'GITHUB_SHA' => ENV['GITHUB_SHA']
       }
-    elsif CI == Codecov::Uploader::TRAVIS
+    when Codecov::Uploader::TRAVIS
       {
         'TRAVIS' => ENV['TRAVIS'],
         'TRAVIS_BRANCH' => ENV['TRAVIS_BRANCH'],
@@ -167,6 +168,14 @@ def teardown
     ENV['CIRCLE_PROJECT_USERNAME'] = nil
     ENV['CIRCLE_SHA1'] = nil
     ENV['CIRCLECI'] = nil
+    ENV['CIRRUS_CI'] = nil
+    ENV['CIRRUS_BRANCH'] = nil
+    ENV['CIRRUS_BUILD_ID'] = nil
+    ENV['CIRRUS_TASK_ID'] = nil
+    ENV['CIRRUS_CHANGE_IN_REPO'] = nil
+    ENV['CIRRUS_TASK_NAME'] = nil
+    ENV['CIRRUS_PR'] = nil
+    ENV['CIRRUS_REPO_FULL_NAME'] = nil
     ENV['CODEBUILD_CI'] = nil
     ENV['CODEBUILD_BUILD_ID'] = nil
     ENV['CODEBUILD_BUILD_URL'] = nil
@@ -240,7 +249,7 @@ def test_git
   end
 
   def test_enterprise
-    stub = stub_request(:post, %r{https:\/\/example.com\/upload\/v2})
+    stub_request(:post, %r{https://example.com/upload/v2})
       .to_return(
         status: 200,
         body: "{\"id\": \"12345678-1234-abcd-ef12-1234567890ab\", \"message\": \"Coverage reports upload successfully\", \"meta\": { \"status\": 200 }, \"queued\": true, \"uploaded\": true, \"url\": \"https://example.com/github/codecov/codecov-bash/commit/2f6b51562b93e72c610671644fe2a303c5c0e8e5\"}"
@@ -687,10 +696,29 @@ def test_codebuild_source_version_is_other_than_pr_number
     assert_equal('git-commit-hash-12345', result['params'][:pr])
     assert_equal('owner/repo', result['params'][:slug])
     assert_equal('master', result['params'][:branch])
-    assert_equal('git-commit-hash-12345', result['params'][:pr])
     assert_equal('f881216b-b5c0-4eb1-8f21-b51887d1d506', result['params']['token'])
   end
 
+  def test_cirrus_ci
+    ENV['CIRRUS_CI'] = 'true'
+    ENV['CIRRUS_BRANCH'] = 'master'
+    ENV['CIRRUS_BUILD_ID'] = '12345'
+    ENV['CIRRUS_TASK_ID'] = '54321'
+    ENV['CIRRUS_CHANGE_IN_REPO'] = 'd653b934ed59c1a785cc1cc79d08c9aaa4eba73b'
+    ENV['CIRRUS_TASK_NAME'] = 'test'
+    ENV['CIRRUS_PR'] = '10'
+    ENV['CIRRUS_REPO_FULL_NAME'] = 'owner/repo'
+
+    result = upload
+
+    assert_equal('cirrus-ci', result['params'][:service])
+    assert_equal('d653b934ed59c1a785cc1cc79d08c9aaa4eba73b', result['params'][:commit])
+    assert_equal('12345', result['params'][:build])
+    assert_equal('10', result['params'][:pr])
+    assert_equal('owner/repo', result['params'][:slug])
+    assert_equal('master', result['params'][:branch])
+  end
+
   def test_filenames_are_shortened_correctly
     ENV['CODECOV_TOKEN'] = 'f881216b-b5c0-4eb1-8f21-b51887d1d506'