diff --git a/banner.rollup.config.js b/banner.rollup.config.js
deleted file mode 100644
index fadebcedb7..0000000000
--- a/banner.rollup.config.js
+++ /dev/null
@@ -1,13 +0,0 @@
-module.exports = [
-  {
-    input: 'dist/banner/banner.js',
-    output: {
-      file: 'dist/banner/banner.rollup.js',
-      format: 'cjs',
-    },
-    external: [
-      'path',
-    ],
-  },
-
-];
diff --git a/esbuild.js b/esbuild.js
new file mode 100644
index 0000000000..53094115d1
--- /dev/null
+++ b/esbuild.js
@@ -0,0 +1,67 @@
+const esbuild = require('esbuild');
+const fs = require('fs');
+
+const defaultOptions = {
+  bundle: true,
+  platform: 'node',
+  logLevel: 'info',
+};
+
+/** @type esbuild.BuildOptions */
+const clientConfig = {
+  ...defaultOptions,
+  entryPoints: ['dist/client/extension.js'],
+  outfile: 'dist/npm/index.js',
+  external: [
+    'fs',
+    'path',
+    'vscode',
+    'vscode-languageclient/node',
+    'vscode-languageserver-protocol',
+    'vscode-jsonrpc',
+  ],
+  format: 'cjs',
+  minify: true,
+};
+
+/** @type esbuild.BuildOptions */
+const bannerConfig = {
+  ...defaultOptions,
+  entryPoints: ['dist/banner/banner.js'],
+  outfile: 'dist/banner/banner.esbuild.js',
+  external: [
+    'path',
+  ],
+  format: 'cjs',
+};
+
+/** @type esbuild.BuildOptions */
+const serverConfig = {
+  ...defaultOptions,
+  entryPoints: ['dist/server/server.js'],
+  outfile: 'dist/npm/server/index.js',
+  external: [
+    'fs',
+    'path',
+    'typescript/lib/tsserverlibrary',
+    'vscode-languageserver',
+    'vscode-uri',
+    'vscode-jsonrpc',
+  ],
+  // TODO(atscott): Figure out how to use the banner correctly.
+  // iife format produces a `require("typescript/lib/tsserverlibrary");` line but it needs to use
+  // the `define` in the banner to resolve tsserverlibrary.
+  format: 'iife',
+};
+
+async function build() {
+  try {
+    await esbuild.build(clientConfig);
+    await esbuild.build(bannerConfig);
+  } catch (e) {
+    console.error(e);
+    process.exit(1);
+  }
+}
+
+build();
\ No newline at end of file
diff --git a/package.json b/package.json
index 06456191e9..8c48320dae 100644
--- a/package.json
+++ b/package.json
@@ -136,8 +136,7 @@
   ],
   "main": "./dist/client/extension",
   "scripts": {
-    "compile": "yarn compile:banner && tsc -b && rollup -c",
-    "compile:banner": "tsc -p server/banner.tsconfig.json && rollup -c banner.rollup.config.js",
+    "compile": "tsc -p server/banner.tsconfig.json && tsc -b && node esbuild.js && rollup -c",
     "compile:test": "tsc -b server/src/tests",
     "compile:integration": "tsc -b integration",
     "compile:syntaxes-test": "tsc -b syntaxes/test",
@@ -163,6 +162,7 @@
     "@types/jasmine": "3.6.3",
     "@types/node": "12.19.16",
     "clang-format": "1.5.0",
+    "esbuild": "^0.9.0",
     "jasmine": "3.6.4",
     "prettier": "2.2.1",
     "rollup": "2.38.5",
@@ -178,4 +178,4 @@
     "type": "git",
     "url": "https://github.com/angular/vscode-ng-language-service"
   }
-}
+}
\ No newline at end of file
diff --git a/rollup.config.js b/rollup.config.js
index 42722998f3..5c5d91a554 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -2,28 +2,12 @@ import * as fs from 'fs';
 import commonjs from 'rollup-plugin-commonjs';
 
 module.exports = [
-  {
-    input: 'dist/client/extension.js',
-    output: {
-      file: 'dist/npm/index.js',
-      format: 'cjs',
-      exports: 'named',
-    },
-    external: [
-      'path',
-      'vscode',
-      'vscode-languageclient',
-    ],
-    plugins: [
-      commonjs(),
-    ],
-  },
   {
     input: 'dist/server/server.js',
     output: {
       file: 'dist/npm/server/index.js',
       format: 'amd',
-      banner: fs.readFileSync('dist/banner/banner.rollup.js', 'utf8'),
+      banner: fs.readFileSync('dist/banner/banner.esbuild.js', 'utf8'),
     },
     external: [
       'fs',
@@ -41,4 +25,4 @@ module.exports = [
       }),
     ],
   },
-];
+];
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 590714225a..d4e4fafe64 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -34,9 +34,9 @@
   integrity sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==
 
 "@types/estree@*":
-  version "0.0.45"
-  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.45.tgz#e9387572998e5ecdac221950dab3e8c3b16af884"
-  integrity sha512-jnqIUKDUqJbDIUxm0Uj7bnlMnRm1T/eZ9N+AVMqhPgzrba2GhGG5o/jCTwmdPK709nEZsGoMzXEDUjcXHa3W0g==
+  version "0.0.46"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.46.tgz#0fb6bfbbeabd7a30880504993369c4bf1deab1fe"
+  integrity sha512-laIjwTQaD+5DukBZaygQ79K1Z0jb1bPEMRrkXSLjtCcZm+abyp5YbrqpSLzD42FwWW6gK/aS4NYpJ804nG2brg==
 
 "@types/jasmine@3.6.3":
   version "3.6.3"
@@ -331,6 +331,11 @@ es6-promisify@^5.0.0:
   dependencies:
     es6-promise "^4.0.3"
 
+esbuild@^0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/esbuild/-/esbuild-0.9.0.tgz#b8320df85048ed1637c6b59ee52abba248936d3c"
+  integrity sha512-IqYFO7ZKHf0y4uJpJfGqInmSRn8jMPMbyI1W0Y2PSjSjJcVP538tC8TleJAS4Y8QeqwajqBTwFKayWVzYlMIgg==
+
 escape-string-regexp@1.0.5, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
@@ -364,9 +369,9 @@ fs.realpath@^1.0.0:
   integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
 
 fsevents@~2.3.1:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.1.tgz#b209ab14c61012636c8863507edf7fb68cc54e9f"
-  integrity sha512-YR47Eg4hChJGAB1O3yEAOkGO+rlzutoICGqGo9EZ4lKWokzZRSyIW1QmTzqjtw8MJdj9srP869CuWw/hyzSiBw==
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.2.tgz#8a526f78b8fdf4623b709e0b975c52c24c02fd1a"
+  integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
 
 function-bind@^1.1.1:
   version "1.1.1"
@@ -477,7 +482,7 @@ inherits@2, inherits@^2.0.1, inherits@^2.0.3:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
-is-core-module@^2.1.0:
+is-core-module@^2.1.0, is-core-module@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.2.0.tgz#97037ef3d52224d85163f5597b2b63d9afed981a"
   integrity sha512-XRAfAdyyY5F5cOXn7hYQDqh2Xmii+DEfIcQGxK/uNwMHhIkPWO0g8msXcbzLe+MpGoR951MlqM/2iIlU4vKDdQ==
@@ -741,7 +746,7 @@ readable-stream@^3.1.1:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
-resolve@^1.1.6, resolve@^1.11.0, resolve@^1.3.2:
+resolve@^1.1.6, resolve@^1.3.2:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.19.0.tgz#1af5bf630409734a067cae29318aac7fa29a267c"
   integrity sha512-rArEXAgsBG4UgRGcynxWIWKFvh/XZCcS8UJdHhwy91zwAvCZIbcs+vAbflgBnNjYMs/i/i+/Ux6IZhML1yPvxg==
@@ -749,6 +754,14 @@ resolve@^1.1.6, resolve@^1.11.0, resolve@^1.3.2:
     is-core-module "^2.1.0"
     path-parse "^1.0.6"
 
+resolve@^1.11.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
+  integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
+  dependencies:
+    is-core-module "^2.2.0"
+    path-parse "^1.0.6"
+
 rollup-plugin-commonjs@10.1.0:
   version "10.1.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-10.1.0.tgz#417af3b54503878e084d127adf4d1caf8beb86fb"