diff --git a/lib/detect.js b/lib/detect.js
index 4a11e9be..ec9b71dc 100644
--- a/lib/detect.js
+++ b/lib/detect.js
@@ -10,10 +10,11 @@ var services = {
   wercker: require('./services/wercker'),
   jenkins: require('./services/jenkins'),
   semaphore: require('./services/semaphore'),
+  semaphore2x: require('./services/semaphore2x'),
   snap: require('./services/snap'),
   gitlab: require('./services/gitlab'),
   heroku: require('./services/heroku'),
-  teamcity: require('./services/teamcity')
+  teamcity: require('./services/teamcity'),
 }
 
 var detectProvider = function() {
diff --git a/lib/services/semaphore.js b/lib/services/semaphore.js
index 7ab48a05..91dcb149 100644
--- a/lib/services/semaphore.js
+++ b/lib/services/semaphore.js
@@ -1,12 +1,12 @@
 module.exports = {
   detect: function() {
-    return !!process.env.SEMAPHORE
+    return !!process.env.SEMAPHORE && !!process.env.SEMAPHORE_REPO_SLUG
   },
 
   configuration: function() {
-    console.log('    Semaphore CI Detected')
+    console.log('    Semaphore 1.x CI Detected')
     return {
-      service: 'semaphore',
+      service: 'semaphore1x',
       build:
         process.env.SEMAPHORE_BUILD_NUMBER +
         '.' +
diff --git a/lib/services/semaphore2x.js b/lib/services/semaphore2x.js
new file mode 100644
index 00000000..51e3931c
--- /dev/null
+++ b/lib/services/semaphore2x.js
@@ -0,0 +1,15 @@
+module.exports = {
+  detect: function() {
+    return !!process.env.SEMAPHORE && !!process.env.SEMAPHORE_WORKFLOW_ID
+  },
+
+  configuration: function() {
+    console.log('    Semaphore 2.x CI Detected')
+    return {
+      service: 'semaphore2x',
+      branch: process.env.SEMAPHORE_GIT_BRANCH,
+      build: process.env.SEMAPHORE_WORKFLOW_ID,
+      commit: process.env.SEMAPHORE_GIT_SHA,
+    }
+  },
+}
diff --git a/test/services/semaphore.test.js b/test/services/semaphore.test.js
index ef322ba0..2b6f722f 100644
--- a/test/services/semaphore.test.js
+++ b/test/services/semaphore.test.js
@@ -1,11 +1,28 @@
 var semaphore = require('../../lib/services/semaphore')
 
 describe('Semaphore CI Provider', function() {
+  var OLD_ENV = process.env
+
+  beforeEach(function() {
+    process.env = Object.assign({}, OLD_ENV)
+  })
+
+  afterEach(function() {
+    process.env = Object.assign({}, OLD_ENV)
+  })
+
   it('can detect semaphore', function() {
     process.env.SEMAPHORE = 'true'
+    process.env.SEMAPHORE_REPO_SLUG = 'owner/repo'
     expect(semaphore.detect()).toBe(true)
   })
 
+  it('does not detect semaphore 2.x', function() {
+    process.env.SEMAPHORE = 'true'
+    process.env.SEMAPHORE_WORKFLOW_ID = '65c9bb1c-aeb6-41f0-b8d9-6fa177241cdf'
+    expect(semaphore.detect()).toBe(false)
+  })
+
   it('can get semaphore env info', function() {
     process.env.SEMAPHORE_BUILD_NUMBER = '1234'
     process.env.REVISION = '5678'
@@ -13,7 +30,7 @@ describe('Semaphore CI Provider', function() {
     process.env.BRANCH_NAME = 'master'
     process.env.SEMAPHORE_REPO_SLUG = 'owner/repo'
     expect(semaphore.configuration()).toEqual({
-      service: 'semaphore',
+      service: 'semaphore1x',
       commit: '5678',
       build: '1234.1',
       branch: 'master',
diff --git a/test/services/semaphore2x.test.js b/test/services/semaphore2x.test.js
new file mode 100644
index 00000000..22cd6225
--- /dev/null
+++ b/test/services/semaphore2x.test.js
@@ -0,0 +1,37 @@
+var semaphore = require('../../lib/services/semaphore2x')
+
+describe('Semaphore 2.x CI Provider', function() {
+  var OLD_ENV = process.env
+
+  beforeEach(function() {
+    process.env = Object.assign({}, OLD_ENV)
+  })
+
+  afterEach(function() {
+    process.env = Object.assign({}, OLD_ENV)
+  })
+
+  it('can detect semaphore 2x', function() {
+    process.env.SEMAPHORE = 'true'
+    process.env.SEMAPHORE_WORKFLOW_ID = '65c9bb1c-aeb6-41f0-b8d9-6fa177241cdf'
+    expect(semaphore.detect()).toBe(true)
+  })
+
+  it('does not detect semaphore 1.x', function() {
+    process.env.SEMAPHORE = 'true'
+    process.env.SEMAPHORE_REPO_SLUG = 'owner/repo'
+    expect(semaphore.detect()).toBe(false)
+  })
+
+  it('can get semaphore env info', function() {
+    process.env.SEMAPHORE_GIT_BRANCH = 'development'
+    process.env.SEMAPHORE_GIT_SHA = '5c84719708b9b649b9ef3b56af214f38cee6acde'
+    process.env.SEMAPHORE_WORKFLOW_ID = '65c9bb1c-aeb6-41f0-b8d9-6fa177241cdf'
+    expect(semaphore.configuration()).toEqual({
+      service: 'semaphore2x',
+      branch: 'development',
+      build: '65c9bb1c-aeb6-41f0-b8d9-6fa177241cdf',
+      commit: '5c84719708b9b649b9ef3b56af214f38cee6acde',
+    })
+  })
+})