diff --git a/gulp/tasks/compress.js b/gulp/tasks/compress.js
index e90359f..9e4920f 100644
--- a/gulp/tasks/compress.js
+++ b/gulp/tasks/compress.js
@@ -17,7 +17,7 @@ const maps = require('../maps');
  * Generates one map for each different resolution available of the maps in the
  * maps folder.
  */
-gulp.task('simplify', async () => {
+gulp.task('compress', async () => {
   for (const map of maps) {
     const bar = utils.processProgress(map, Object.keys(sizes).length);
 
@@ -40,10 +40,3 @@ gulp.task('simplify', async () => {
     }
   }
 });
-
-/**
- * Execute the whole compress process.
- */
-gulp.task('compress', gulp.series(
-  'simplify',
-));
diff --git a/gulp/tasks/npm.js b/gulp/tasks/npm.js
new file mode 100644
index 0000000..2584369
--- /dev/null
+++ b/gulp/tasks/npm.js
@@ -0,0 +1,46 @@
+'use strict';
+
+const path = require('path');
+const execa = require('execa');
+
+const gulp = require('gulp');
+const gutil = require('gulp-util');
+
+const Confirm = require('prompt-confirm');
+
+const folders = require('../folders');
+
+const sizes = require('../resolutions');
+const maps = require('../maps');
+
+/**
+ * Publish on npm.
+ */
+gulp.task('npm', async () => {
+  let ans;
+  const pkn = maps.length * Object.keys(sizes).length;
+  await new Confirm('Are you sure to want to publish all the ' + pkn + ' npm packages?')
+    .run().then(answer => {
+      ans = answer;
+    });
+
+  if (!ans) {
+    gutil.log('Release process interrupted!');
+    return;
+  }
+
+  for (const map of maps) {
+    const mapDir = path.join(folders.pkgsDir, 'npm', map);
+    for (const size of Object.keys(sizes)) {
+      gutil.log('Publishing @geo-maps/' + [map, size].join('-'));
+
+      const packageDir = path.join(mapDir, size);
+      const cmd = 'npm pack --access public';
+      const proc = execa.shell(cmd, {cwd: packageDir});
+      proc.stdout.pipe(process.stdout);
+      process.stdin.pipe(proc.stdin);
+      // eslint-disable-next-line no-await-in-loop
+      await proc;
+    }
+  }
+});
diff --git a/gulp/tasks/packages.js b/gulp/tasks/packages.js
index 00f4c41..6190234 100644
--- a/gulp/tasks/packages.js
+++ b/gulp/tasks/packages.js
@@ -23,20 +23,21 @@ gulp.task('packages', async () => {
   await fs.ensureDir(folders.pkgsDir);
   const npmDir = path.join(folders.pkgsDir, 'npm');
 
-  await fs.copy(folders.buildDir, npmDir);
-
   const managers = ['npm'];
 
   for (const manager of managers) {
     for (const map of maps) {
-      const bar = utils.processProgress(map, Object.keys(sizes).length);
+      const bar = utils.processProgress([manager, map].join('-'), Object.keys(sizes).length);
 
       const tplMapDir = path.join(folders.tplDir, manager, map);
       for (const size of Object.keys(sizes)) {
+        const buildMapDir = path.join(folders.buildDir, map, size);
         const outMapDir = path.join(npmDir, map, size);
 
         // eslint-disable-next-line no-await-in-loop
         await fs.copy(tplMapDir, outMapDir);
+        // eslint-disable-next-line no-await-in-loop
+        await fs.copy(buildMapDir, outMapDir);
 
         const replOpts = {
           to: size,
@@ -54,7 +55,7 @@ gulp.task('packages', async () => {
         // eslint-disable-next-line no-await-in-loop
         await replace(replOpts);
 
-        bar();
+        bar.tick();
       }
     }
   }
diff --git a/gulp/tasks/publish.js b/gulp/tasks/publish.js
new file mode 100644
index 0000000..600f631
--- /dev/null
+++ b/gulp/tasks/publish.js
@@ -0,0 +1,11 @@
+'use strict';
+
+const gulp = require('gulp');
+
+/**
+ * Execute the whole publish process.
+ */
+gulp.task('publish', gulp.series(
+  'packages',
+  'npm'
+));
diff --git a/gulp/tasks/release.js b/gulp/tasks/release.js
new file mode 100644
index 0000000..5806529
--- /dev/null
+++ b/gulp/tasks/release.js
@@ -0,0 +1,11 @@
+'use strict';
+
+const gulp = require('gulp');
+
+/**
+ * Execute the whole release process.
+ */
+gulp.task('release', gulp.series(
+  'artifacts',
+  'upload'
+));
diff --git a/gulp/tasks/upload.js b/gulp/tasks/upload.js
new file mode 100644
index 0000000..57efc3a
--- /dev/null
+++ b/gulp/tasks/upload.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const path = require('path');
+const version = require('project-version');
+
+const gulp = require('gulp');
+const release = require('gulp-github-release');
+
+const folders = require('../folders');
+
+/**
+ * Upload artifacts on GitHub
+ */
+gulp.task('upload', () => {
+  const GITHUB_TOKEN = process.env.GITHUB_TOKEN;
+
+  if (!GITHUB_TOKEN) {
+    throw new Error('Environment variable GITHUB_TOKEN is required for GitHub releases.');
+  }
+  gulp.src(path.join(folders.distDir, '*'))
+    .pipe(
+      release({
+        token: GITHUB_TOKEN,
+        name: 'Release ' + version,
+        draft: true,
+        manifest: require('../../package.json')
+      })
+    );
+});
diff --git a/package.json b/package.json
index eba918f..bb52739 100644
--- a/package.json
+++ b/package.json
@@ -9,15 +9,18 @@
     "app-root-path": "^2.0.1",
     "del": "^3.0.0",
     "download": "^6.2.5",
+    "execa": "^0.8.0",
     "fs-extra": "^4.0.2",
     "gulp": "github:gulpjs/gulp#4.0",
+    "gulp-github-release": "^1.2.1",
+    "gulp-util": "^3.0.8",
     "mapshaper": "^0.4.57",
     "osm-countries": "^1.0.1",
     "osm-geojson": "^0.6.0",
     "pify": "^3.0.0",
     "progress": "^2.0.0",
     "project-version": "^1.0.0",
-    "release-it": "^4.4.1",
+    "prompt-confirm": "^1.2.0",
     "replace-in-files": "^1.1.0",
     "require-dir": "^0.3.2",
     "undertaker-forward-reference": "^1.0.2",
@@ -31,8 +34,8 @@
     "gulp": "node --expose-gc --max-old-space-size=65536 ./node_modules/.bin/gulp",
     "build": "npm run gulp build",
     "previews": "npm run gulp previews",
-    "release": "npm run gulp artifacts&& release-it",
-    "publish": "npm run gulp packages&& bash publish.sh"
+    "release": "npm run gulp release",
+    "publish": "npm run gulp publish"
   },
   "repository": {
     "type": "git",
diff --git a/publish.sh b/publish.sh
deleted file mode 100644
index 4a7bc14..0000000
--- a/publish.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-
-printf "Are you sure to want to publish the packages [N/y]? "
-read -r ans
-if [[ $ans  =~ ^[Yy]$ ]]
-then
-  cd pkgs
-  for m in *; do
-    cd $m
-    for r in *; do
-      cd $r
-      npm publish --access public &
-      cd ..
-    done
-    cd ..
-  done
-fi
-wait