diff --git a/lib/schema.js b/lib/schema.js
index d0586a7..3c718c3 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -26,6 +26,10 @@ const fields = {
   staleLabel: Joi.string()
     .description('Label to use when marking as stale'),
 
+  closedLabel: Joi.alternatives().try(Joi.string(), Joi.boolean().only(false))
+    .error(() => '"closedLabel" must be a string or false')
+    .description('Label to use when issue is closed. Set to `false` to disable'),
+
   markComment: Joi.alternatives().try(Joi.string(), Joi.any().only(false))
     .error(() => '"markComment" must be a string or false')
     .description('Comment to post when marking as stale. Set to `false` to disable'),
@@ -52,6 +56,7 @@ const schema = Joi.object().keys({
   exemptMilestones: fields.exemptMilestones.default(false),
   exemptAssignees: fields.exemptMilestones.default(false),
   staleLabel: fields.staleLabel.default('wontfix'),
+  closedLabel: fields.closeComment.default(false),
   markComment: fields.markComment.default(
     'Is this still relevant? If so, what is blocking it? ' +
     'Is there anything you can do to help move it forward?' +
diff --git a/lib/stale.js b/lib/stale.js
index 0c13b8d..9d0e154 100644
--- a/lib/stale.js
+++ b/lib/stale.js
@@ -155,6 +155,11 @@ module.exports = class Stale {
       if (closeComment) {
         await this.github.issues.createComment({ owner, repo, number, body: closeComment })
       }
+      const closedLabel = this.getConfigValue(type, 'closedLabel')
+      if (closedLabel && closedLabel.trim().length !== 0) {
+        await this.ensureClosedLabelExists(type)
+        this.github.issues.addLabels({ owner, repo, number, labels: [closedLabel] })
+      }
       return this.github.issues.edit({ owner, repo, number, state: 'closed' })
     } else {
       this.logger.info('%s/%s#%d would have been closed (dry-run)', owner, repo, number)
@@ -214,6 +219,15 @@ module.exports = class Stale {
     })
   }
 
+  async ensureClosedLabelExists (type) {
+    const { owner, repo } = this.config
+    const closedLabel = this.getConfigValue(type, 'closedLabel')
+
+    return this.github.issues.getLabel({ owner, repo, name: closedLabel }).catch(() => {
+      return this.github.issues.createLabel({ owner, repo, name: closedLabel, color: 'E99695' })
+    })
+  }
+
   since (days) {
     const ttl = days * 24 * 60 * 60 * 1000
     let date = new Date(new Date() - ttl)
diff --git a/test/schema.test.js b/test/schema.test.js
index 10ea3d3..0d97c2f 100644
--- a/test/schema.test.js
+++ b/test/schema.test.js
@@ -68,6 +68,7 @@ describe('schema', () => {
       exemptMilestones: false,
       exemptAssignees: false,
       staleLabel: 'wontfix',
+      closedLabel: false,
       perform: true,
       markComment: 'Is this still relevant? If so, what is blocking it? ' +
         'Is there anything you can do to help move it forward?' +
diff --git a/test/stale.test.js b/test/stale.test.js
index aedf1e6..8d0b591 100644
--- a/test/stale.test.js
+++ b/test/stale.test.js
@@ -44,7 +44,7 @@ describe('stale', () => {
   test(
     'removes the stale label and ignores if it has already been removed',
     async () => {
-      let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+      const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
 
       for (const type of ['pulls', 'issues']) {
         try {
@@ -138,7 +138,7 @@ describe('stale', () => {
   test(
     'should not close issues if daysUntilClose is configured as false',
     async () => {
-      let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+      const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
       stale.config.daysUntilClose = false
       stale.getStale = jest.fn().mockImplementation(() => Promise.resolve({ data: { items: [] } }))
       stale.getClosable = jest.fn()
@@ -154,7 +154,7 @@ describe('stale', () => {
   test(
     'should not close issues if the keyword pulls or keyword issues is used, and daysUntilClose is configured as false',
     async () => {
-      let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+      const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
       stale.config.pulls = { daysUntilClose: false }
       stale.config.issues = { daysUntilClose: false }
       stale.getStale = jest.fn().mockImplementation(() => Promise.resolve({ data: { items: [] } }))
@@ -171,7 +171,7 @@ describe('stale', () => {
   test(
     'should not close issues if only keyword is configured with the pulls value',
     async () => {
-      let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+      const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
       stale.config.only = 'pulls'
       stale.config.daysUntilClose = 1
       stale.getStale = jest.fn().mockImplementation(() => Promise.resolve({ data: { items: [] } }))
@@ -185,7 +185,7 @@ describe('stale', () => {
   test(
     'should not close pull requests if only keyword is configured with the issues value',
     async () => {
-      let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+      const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
       stale.config.only = 'issues'
       stale.config.daysUntilClose = 1
       stale.getStale = jest.fn().mockImplementation(() => Promise.resolve({ data: { items: [] } }))
@@ -200,7 +200,7 @@ describe('stale', () => {
     test(
       'should not mark issue if it is already closed',
       async () => {
-        let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+        const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
         stale.getStale = jest.fn().mockImplementation(() => {
           return Promise.resolve({
             data: {
@@ -220,7 +220,7 @@ describe('stale', () => {
     test(
       'should not mark issue if it is locked',
       async () => {
-        let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+        const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
         stale.getStale = jest.fn().mockImplementation(() => {
           return Promise.resolve({
             data: {
@@ -240,7 +240,7 @@ describe('stale', () => {
     test(
       'should mark issue if it is open',
       async () => {
-        let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+        const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
         stale.getStale = jest.fn().mockImplementation(() => {
           return Promise.resolve({
             data: {
@@ -263,7 +263,7 @@ describe('stale', () => {
       'should not close issue if it is already closed',
       async () => {
         const staleLabel = 'stale'
-        let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+        const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
         stale.config.daysUntilClose = 1
         stale.getClosable = jest.fn().mockImplementation(() => {
           return Promise.resolve({
@@ -285,7 +285,7 @@ describe('stale', () => {
       'should not close issue if it is locked',
       async () => {
         const staleLabel = 'stale'
-        let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+        const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
         stale.config.daysUntilClose = 1
         stale.getClosable = jest.fn().mockImplementation(() => {
           return Promise.resolve({
@@ -307,7 +307,7 @@ describe('stale', () => {
       'should close issue if it is open',
       async () => {
         const staleLabel = 'stale'
-        let stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
+        const stale = new Stale(github, { perform: true, owner: 'probot', repo: 'stale', logger: app.log })
         stale.config.daysUntilClose = 1
         stale.getClosable = jest.fn().mockImplementation(() => {
           return Promise.resolve({