diff --git a/Gruntfile.js b/Gruntfile.js
index 2b8c1c3e2603..045f057cd2dd 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -89,4 +89,5 @@ module.exports = function (grunt) {
   // load task definitions
   grunt.task.loadTasks('tasks');
   grunt.task.loadTasks('tasks/build');
+  grunt.task.loadTasks('tasks/rebuild');
 };
diff --git a/tasks/rebuild/confirm.js b/tasks/rebuild/confirm.js
new file mode 100644
index 000000000000..9a4c6b310f4a
--- /dev/null
+++ b/tasks/rebuild/confirm.js
@@ -0,0 +1,36 @@
+import { execFileSync } from 'child_process';
+import { readFileSync, writeFileSync } from 'fs';
+import { join } from 'path';
+import { createInterface } from 'readline';
+
+export default (grunt) => {
+  grunt.registerTask('_rebuild:confirm', function () {
+    const newVersion = grunt.option('buildversion') || grunt.config.get('pkg').version;
+    const newBuildNum = grunt.option('buildnum') || grunt.config.get('buildNum');
+    const newSha = grunt.option('buildsha') || grunt.config.get('buildSha');
+
+    grunt.config('rebuild', { newVersion, newBuildNum, newSha });
+
+    grunt.log.writeln('Targets will be rebuilt with the following:');
+    grunt.log.writeln(`Version: ${newVersion}`);
+    grunt.log.writeln(`Build number: ${newBuildNum}`);
+    grunt.log.writeln(`Build sha: ${newSha}`);
+
+    const rl = createInterface({
+      input: process.stdin,
+      output: process.stdout
+    });
+
+    rl.on('close', this.async());
+
+    rl.question('Do you want to rebuild these packages? [N/y] ', (resp) => {
+      const answer = resp.toLowerCase().trim();
+
+      if (answer === 'y') {
+        grunt.config.set('rebuild.continue', true);
+      }
+
+      rl.close();
+    });
+  });
+};
diff --git a/tasks/rebuild/create_archives.js b/tasks/rebuild/create_archives.js
new file mode 100644
index 000000000000..1593f66facaa
--- /dev/null
+++ b/tasks/rebuild/create_archives.js
@@ -0,0 +1,23 @@
+import { execFileSync } from 'child_process';
+import { join } from 'path';
+
+export default (grunt) => {
+  grunt.registerTask('_rebuild:createArchives', function () {
+    const buildDir = grunt.config.get('build');
+    const targetDir = grunt.config.get('target');
+
+    grunt.file.mkdir('target');
+
+    grunt.file.expand({ cwd: buildDir }, '*').forEach(build => {
+      const tar = join(targetDir, `${build}.tar.gz`);
+      execFileSync('tar', ['-zchf', tar, build], { cwd: buildDir });
+
+      const zip = join(targetDir, `${build}.zip`);
+      if (/windows/.test(build)) {
+        execFileSync('zip', ['-rq', '-ll', zip, build], { cwd: buildDir });
+      } else {
+        execFileSync('zip', ['-rq', zip, build], { cwd: buildDir });
+      }
+    });
+  });
+};
diff --git a/tasks/rebuild/extract_zips.js b/tasks/rebuild/extract_zips.js
new file mode 100644
index 000000000000..497c1ec148c4
--- /dev/null
+++ b/tasks/rebuild/extract_zips.js
@@ -0,0 +1,14 @@
+import { execFileSync } from 'child_process';
+
+export default (grunt) => {
+  grunt.registerTask('_rebuild:extractZips', function () {
+    const buildDir = grunt.config.get('build');
+    const targetDir = grunt.config.get('target');
+
+    const zips = grunt.file.expand({ cwd: targetDir }, '*.zip');
+
+    zips.forEach(zip => {
+      execFileSync('unzip', [zip, '-d', buildDir], { cwd: targetDir });
+    });
+  });
+};
diff --git a/tasks/rebuild/index.js b/tasks/rebuild/index.js
new file mode 100644
index 000000000000..d6d73b01bbb6
--- /dev/null
+++ b/tasks/rebuild/index.js
@@ -0,0 +1,66 @@
+import { execSync } from 'child_process';
+import { trim } from 'lodash';
+
+/**
+ * Repackages all of the current archives in target/ with the same build
+ * number, sha, and commit hash. This is useful when all you need to do is bump
+ * the version of the release and do not want to introduce any other changes.
+ *
+ * Even if there are new commits, the standard build task reinstalls all npm
+ * dependencies, which introduces at least a small amount of risk of
+ * introducing bugs into the build since not all dependencies have fixed
+ * versions.
+ *
+ * Options:
+ *   --skip-archives        Will skip the archive step, useful for debugging
+ *   --buildversion="1.2.3" Sets new version to 1.2.3
+ *   --buildnum="99999"     Sets new build number to 99999
+ *   --buildsha="9a5b2c1"   Sets new build sha to 9a5b2c1 (use the full sha, though)
+ */
+export default (grunt) => {
+  grunt.registerTask('rebuild', 'Rebuilds targets as a new version', function () {
+    grunt.task.run([
+      '_build:getProps',
+      '_rebuild:confirm',
+      '_rebuild:continue'
+    ]);
+  });
+
+  grunt.registerTask('_rebuild:continue', function () {
+    grunt.task.requires('_rebuild:confirm');
+
+    if (!grunt.config.get('rebuild.continue')) {
+      grunt.log.writeln('Aborting without rebuilding anything');
+    } else {
+      grunt.task.run([
+        '_rebuild:builds',
+        '_rebuild:archives'
+      ]);
+    }
+  });
+
+  grunt.registerTask('_rebuild:builds', function () {
+    grunt.task.requires('_rebuild:continue');
+
+    grunt.task.run([
+      'clean:build',
+      '_rebuild:extractZips',
+      '_rebuild:updateBuilds'
+    ]);
+  });
+
+  grunt.registerTask('_rebuild:archives', function () {
+    grunt.task.requires('_rebuild:continue');
+
+    const skip = grunt.option('skip-archives');
+    if (skip) {
+      grunt.log.writeln('Skipping archive step since rebuild debugging was enabled');
+    } else {
+      grunt.task.run([
+        'clean:target',
+        '_rebuild:createArchives',
+        '_build:shasums'
+      ]);
+    }
+  });
+};
diff --git a/tasks/rebuild/update_builds.js b/tasks/rebuild/update_builds.js
new file mode 100644
index 000000000000..d9a3a64caef2
--- /dev/null
+++ b/tasks/rebuild/update_builds.js
@@ -0,0 +1,57 @@
+import { execFileSync } from 'child_process';
+import { readFileSync, writeFileSync } from 'fs';
+import { join } from 'path';
+
+export default (grunt) => {
+  grunt.registerTask('_rebuild:updateBuilds', function () {
+    const buildDir = grunt.config.get('build');
+
+    const { newVersion, newBuildNum, newSha } = grunt.config.get('rebuild');
+
+    grunt.file.expand({ cwd: buildDir }, '*').forEach(build => {
+      const thisBuildDir = join(buildDir, build);
+      const thisBundlesDir = join(thisBuildDir, 'optimize', 'bundles');
+
+      const readmePath = join(thisBuildDir, 'README.txt');
+      const pkgjsonPath = join(thisBuildDir, 'package.json');
+      const bundlePaths = [
+        ...grunt.file.expand({ cwd: thisBundlesDir }, '*.bundle.js'),
+        ...grunt.file.expand({ cwd: thisBundlesDir }, '*.entry.js')
+      ];
+
+      const { oldBuildNum, oldSha, oldVersion } = readBuildInfo(pkgjsonPath);
+
+      replaceIn(readmePath, oldVersion, newVersion);
+      replaceIn(pkgjsonPath, oldVersion, newVersion);
+      replaceIn(pkgjsonPath, `"number": ${oldBuildNum},`, `"number": ${newBuildNum},`);
+      replaceIn(pkgjsonPath, oldSha, newSha);
+      bundlePaths
+        .map(bundle => join(thisBundlesDir, bundle))
+        .forEach(file => {
+          replaceIn(file, `"kbnVersion":"${oldVersion}"`, `"kbnVersion":"${newVersion}"`);
+          replaceIn(file, `"buildNum":${oldBuildNum}`, `"buildNum":${newBuildNum}`);
+        });
+
+      const newBuild = build.replace(oldVersion, newVersion);
+      if (build !== newBuild) {
+        execFileSync('mv', [ build, newBuild ], { cwd: buildDir });
+      }
+    });
+  });
+};
+
+function readBuildInfo(path) {
+  const pkgjson = readFileSync(path).toString();
+  const pkg = JSON.parse(pkgjson);
+  return {
+    oldBuildNum: pkg.build.number,
+    oldSha: pkg.build.sha,
+    oldVersion: pkg.version
+  };
+}
+
+function replaceIn(path, oldValue, newValue) {
+  let contents = readFileSync(path).toString();
+  contents = contents.replace(oldValue, newValue);
+  writeFileSync(path, contents);
+}