diff --git a/package.json b/package.json
index 72bda9e..bcbd372 100644
--- a/package.json
+++ b/package.json
@@ -41,11 +41,13 @@
   },
   "dependencies": {
     "auto-launch": "^5.0.5",
+    "axios": "^0.21.1",
     "dayjs": "^1.10.4",
     "electron-log": "^4.3.2",
     "electron-store": "^7.0.2",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
+    "semver": "^7.3.5",
     "spectre.css": "^0.5.9",
     "tachyons": "^4.12.0"
   },
diff --git a/src/back/index.ts b/src/back/index.ts
index 75104c1..5902b49 100644
--- a/src/back/index.ts
+++ b/src/back/index.ts
@@ -4,6 +4,7 @@ import logger from 'electron-log'
 import TrayUtility from './tray'
 import Settings from './settings'
 import Banner from './banner'
+import Updater from './updater'
 
 export const DEV = !app.isPackaged
 
@@ -21,6 +22,7 @@ app
     TrayUtility.init()
     Settings.init()
     Banner.init()
+    Updater.init()
     logger.log('Done')
   })
   .catch((e) => {
diff --git a/src/back/settings.ts b/src/back/settings.ts
index 7c5ad3f..79dee76 100644
--- a/src/back/settings.ts
+++ b/src/back/settings.ts
@@ -75,7 +75,7 @@ export default class Settings {
     const entry = join(__dirname, '../front/settings/index.html')
     Settings.win.loadFile(entry)
 
-    if (DEV && false) {
+    if (DEV) {
       Settings.win.setSize(800, 485)
       Settings.win.setResizable(true)
       Settings.win.webContents.openDevTools()
diff --git a/src/back/updater.ts b/src/back/updater.ts
new file mode 100644
index 0000000..e5d93cf
--- /dev/null
+++ b/src/back/updater.ts
@@ -0,0 +1,45 @@
+import semver from 'semver'
+import axios from 'axios'
+import logger from 'electron-log'
+import { dialog, shell } from 'electron'
+
+import pkg from '../../package.json'
+
+const current = semver.coerce(pkg.version)
+const url = 'https://api.github.com/repos/cupcakearmy/unpixel/tags'
+const interval = 1000 * 60 * 60 * 10 // 10 Minutes
+
+export default class Updater {
+  static init() {
+    this.check()
+  }
+
+  static async check() {
+    const { data } = await axios({
+      method: 'get',
+      url,
+    })
+    // parse tags and reverse sort them to get the highest
+    const tags = data.map((d) => semver.coerce(d.name)).sort(semver.rcompare)
+    const latest = tags[0]
+    if (semver.lt(current, latest)) {
+      logger.info('New version available')
+      dialog
+        .showMessageBox(null, {
+          title: 'Update available',
+          message: 'A newer version is available, please download.',
+          buttons: ['Download', 'Later'],
+          cancelId: 1,
+        })
+        .then(({ response }) => {
+          if (response === 0) {
+            shell.openExternal('https://github.com/cupcakearmy/unpixel/releases')
+            process.exit(0)
+          }
+        })
+    } else {
+      logger.info('Up to date')
+      setTimeout(() => this.check(), interval)
+    }
+  }
+}
diff --git a/src/front/settings/Settings.tsx b/src/front/settings/Settings.tsx
index 83ac3af..042adb4 100644
--- a/src/front/settings/Settings.tsx
+++ b/src/front/settings/Settings.tsx
@@ -1,5 +1,4 @@
 import React from 'react'
-import { render } from 'react-dom'
 
 import '../base.css'
 
diff --git a/yarn.lock b/yarn.lock
index 9b67347..94c1374 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1996,6 +1996,13 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
   integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
 
+axios@^0.21.1:
+  version "0.21.1"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.1.tgz#22563481962f4d6bde9a76d516ef0e5d3c09b2b8"
+  integrity sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==
+  dependencies:
+    follow-redirects "^1.10.0"
+
 babel-plugin-dynamic-import-node@^2.3.3:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/babel-plugin-dynamic-import-node/-/babel-plugin-dynamic-import-node-2.3.3.tgz#84fda19c976ec5c6defef57f9427b3def66e17a3"
@@ -3726,7 +3733,7 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
-follow-redirects@^1.0.0:
+follow-redirects@^1.0.0, follow-redirects@^1.10.0:
   version "1.13.3"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.3.tgz#e5598ad50174c1bc4e872301e82ac2cd97f90267"
   integrity sha512-DUgl6+HDzB0iEptNQEXLx/KhTmDb8tZUHSeLqpnjpknR70H0nC2t9N73BK6fN4hOvJ84pKlIQVQ4k5FFlBedKA==
@@ -6575,7 +6582,7 @@ semver@^6.0.0, semver@^6.1.1, semver@^6.1.2, semver@^6.2.0, semver@^6.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
-semver@^7.3.2, semver@^7.3.4:
+semver@^7.3.2, semver@^7.3.4, semver@^7.3.5:
   version "7.3.5"
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.5.tgz#0b621c879348d8998e4b0e4be94b3f12e6018ef7"
   integrity sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==