diff --git a/bin/commands/github-workflow/outdated.js b/bin/commands/github-workflow/outdated.js
new file mode 100644
index 0000000..04bc545
--- /dev/null
+++ b/bin/commands/github-workflow/outdated.js
@@ -0,0 +1,29 @@
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+
+exports.desc = 'Check if you have the bundled version of wiby Github workflow installed.'
+
+exports.handler = async (params) => {
+  const packageRoot = process.env.INIT_CWD || process.cwd()
+
+  const workflowsPath = path.join(packageRoot, '.github', 'workflows')
+  const sourceWibyYaml = path.join(__dirname, '..', '..', '..', '.github', 'workflows', 'wiby.yaml')
+  const destWibyYaml = path.join(workflowsPath, 'wiby.yaml')
+
+  if (!fs.existsSync(destWibyYaml)) {
+    console.error(`${destWibyYaml} not found. Use \`wiby github-workflow install\` to install it.`)
+    process.exit(1)
+  }
+
+  const expectedContents = fs.readFileSync(sourceWibyYaml)
+  const actualContents = fs.readFileSync(destWibyYaml)
+
+  if (Buffer.compare(expectedContents, actualContents) !== 0) {
+    console.error(`${destWibyYaml} is not the same as the bundled version at ${sourceWibyYaml}. Use \`wiby github-workflow install\` to install it.`)
+    process.exit(1)
+  }
+
+  console.log(`${destWibyYaml} is the same as the bundled version.`)
+}
diff --git a/test/cli/github-workflow-install.js b/test/cli/github-workflow-install.js
index 276b0e4..8805744 100644
--- a/test/cli/github-workflow-install.js
+++ b/test/cli/github-workflow-install.js
@@ -27,12 +27,12 @@ tap.test('github-workflow install command', async (tap) => {
         ...process.env,
         INIT_CWD: ''
       }
-    }).toString()
+    })
 
     tap.notEqual(fs.readFileSync(wibyYamlPath).toString(), contentsBefore)
   })
 
-  tap.test('should copy wiby.yaml to the ${INIT_CWD}/.github/workflows folder', async (tap) => {
+  tap.test('should copy wiby.yaml to the $INIT_CWD/.github/workflows folder', async (tap) => {
     const initCwd = path.join(process.cwd(), 'some-other-place')
     const workflowsPath = path.join(initCwd, '.github', 'workflows')
     const wibyYamlPath = path.join(workflowsPath, 'wiby.yaml')
@@ -46,7 +46,7 @@ tap.test('github-workflow install command', async (tap) => {
         ...process.env,
         INIT_CWD: initCwd
       }
-    }).toString()
+    })
 
     tap.notEqual(fs.readFileSync(wibyYamlPath).toString(), contentsBefore)
   })
@@ -58,7 +58,7 @@ tap.test('github-workflow install command', async (tap) => {
           ...process.env,
           INIT_CWD: ''
         }
-      }).toString()
+      })
       tap.fail('Should fail before reaching here')
     } catch (err) {
       tap.include(err.message, '/.github/workflows folder does not exist.')
diff --git a/test/cli/github-workflow-outdated.js b/test/cli/github-workflow-outdated.js
new file mode 100644
index 0000000..2d8849c
--- /dev/null
+++ b/test/cli/github-workflow-outdated.js
@@ -0,0 +1,88 @@
+'use strict'
+
+const childProcess = require('child_process')
+const fs = require('fs')
+const path = require('path')
+const tap = require('tap')
+
+const gitFixture = require('../fixtures/git')
+
+const wibyCommand = path.join(__dirname, '..', '..', 'bin', 'wiby')
+
+tap.test('github-workflow outdated command', async (tap) => {
+  tap.beforeEach(async () => {
+    gitFixture.init()
+  })
+
+  tap.test('should fail when wiby.yaml is missing', async (tap) => {
+    try {
+      childProcess.execSync(`${wibyCommand} github-workflow outdated`, {
+        env: {
+          ...process.env,
+          INIT_CWD: ''
+        }
+      })
+      tap.fail('Should fail before reaching here')
+    } catch (err) {
+      tap.include(err.message, '/.github/workflows/wiby.yaml not found. Use `wiby github-workflow install` to install it.')
+    }
+  })
+
+  tap.test('should fail when wiby.yaml has the wrong contents', async (tap) => {
+    const workflowsPath = path.join(process.cwd(), '.github', 'workflows')
+    const wibyYamlPath = path.join(workflowsPath, 'wiby.yaml')
+    const contentsBefore = 'should be overwritten with new version'
+
+    fs.mkdirSync(workflowsPath, { recursive: true })
+    fs.writeFileSync(wibyYamlPath, contentsBefore)
+
+    try {
+      childProcess.execSync(`${wibyCommand} github-workflow outdated`, {
+        env: {
+          ...process.env,
+          INIT_CWD: ''
+        }
+      })
+      tap.fail('Should fail before reaching here')
+    } catch (err) {
+      tap.include(err.message, '/.github/workflows/wiby.yaml is not the same as the bundled version')
+    }
+  })
+
+  tap.test('should pass when wiby.yaml has the same contents', async (tap) => {
+    const originalContents = fs.readFileSync(path.join(__dirname, '..', '..', '.github', 'workflows', 'wiby.yaml'))
+    const workflowsPath = path.join(process.cwd(), '.github', 'workflows')
+    const wibyYamlPath = path.join(workflowsPath, 'wiby.yaml')
+
+    fs.mkdirSync(workflowsPath, { recursive: true })
+    fs.writeFileSync(wibyYamlPath, originalContents)
+
+    const result = childProcess.execSync(`${wibyCommand} github-workflow outdated`, {
+      env: {
+        ...process.env,
+        INIT_CWD: ''
+      }
+    }).toString()
+
+    tap.include(result, 'wiby.yaml is the same as the bundled version.')
+  })
+
+  tap.test('should pass when wiby.yaml has the same contents in $INIT_CWD', async (tap) => {
+    const originalContents = fs.readFileSync(path.join(__dirname, '..', '..', '.github', 'workflows', 'wiby.yaml'))
+    const initCwd = path.join(process.cwd(), 'some-other-place')
+    const workflowsPath = path.join(initCwd, '.github', 'workflows')
+    const wibyYamlPath = path.join(workflowsPath, 'wiby.yaml')
+
+    fs.mkdirSync(workflowsPath, { recursive: true })
+    fs.writeFileSync(wibyYamlPath, originalContents)
+
+    const result = childProcess.execSync(`${wibyCommand} github-workflow outdated`, {
+      env: {
+        ...process.env,
+        INIT_CWD: initCwd
+      }
+    }).toString()
+
+    tap.include(result, 'wiby.yaml is the same as the bundled version.')
+  })
+})
diff --git a/test/cli/result.js b/test/cli/result.js
index 8afabb7..afff27c 100644
--- a/test/cli/result.js
+++ b/test/cli/result.js
@@ -19,7 +19,7 @@ tap.test('result command', async (tap) => {
 
   tap.test('result command should fail when config and dependent provided', async (tap) => {
     try {
-      childProcess.execSync(`${wibyCommand} result --config=.wiby.json --dependent="https://github.com/wiby-test/fakeRepo"`).toString()
+      childProcess.execSync(`${wibyCommand} result --config=.wiby.json --dependent="https://github.com/wiby-test/fakeRepo"`)
       tap.fail()
     } catch (err) {
       tap.equal(true, err.message.includes('Arguments dependent and config are mutually exclusive'))