diff --git a/packages/zone.js/rollup-es5.config.js b/packages/zone.js/rollup-es5.config.js
index 0e39016fcd8da5..8e86e499f513c9 100644
--- a/packages/zone.js/rollup-es5.config.js
+++ b/packages/zone.js/rollup-es5.config.js
@@ -1,8 +1,21 @@
 const node = require('rollup-plugin-node-resolve');
 const commonjs = require('rollup-plugin-commonjs');
 
+// Parse the stamp file produced by Bazel from the version control system
+let version = '<unknown>';
+if (bazel_stamp_file) {
+  const versionTag = require('fs')
+                         .readFileSync(bazel_stamp_file, {encoding: 'utf-8'})
+                         .split('\n')
+                         .find(s => s.startsWith('BUILD_SCM_VERSION'));
+  // Don't assume BUILD_SCM_VERSION exists
+  if (versionTag) {
+    version = versionTag.split(' ')[1].trim();
+  }
+}
+
 const banner = `/**
-* @license Angular v0.0.0-PLACEHOLDER
+* @license Angular v${version}
 * (c) 2010-2019 Google LLC. https://angular.io/
 * License: MIT
 */`;
diff --git a/packages/zone.js/rollup-es5_global-es2015.config.js b/packages/zone.js/rollup-es5_global-es2015.config.js
index 60c76e18df85c7..729415f95dc1b0 100644
--- a/packages/zone.js/rollup-es5_global-es2015.config.js
+++ b/packages/zone.js/rollup-es5_global-es2015.config.js
@@ -1,8 +1,21 @@
 const node = require('rollup-plugin-node-resolve');
 const commonjs = require('rollup-plugin-commonjs');
 
+// Parse the stamp file produced by Bazel from the version control system
+let version = '<unknown>';
+if (bazel_stamp_file) {
+  const versionTag = require('fs')
+                         .readFileSync(bazel_stamp_file, {encoding: 'utf-8'})
+                         .split('\n')
+                         .find(s => s.startsWith('BUILD_SCM_VERSION'));
+  // Don't assume BUILD_SCM_VERSION exists
+  if (versionTag) {
+    version = versionTag.split(' ')[1].trim();
+  }
+}
+
 const banner = `/**
-* @license Angular v0.0.0-PLACEHOLDER
+* @license Angular v${version}
 * (c) 2010-2019 Google LLC. https://angular.io/
 * License: MIT
 */`;