diff --git a/packages/zone.js/rollup.config.js b/packages/zone.js/rollup.config.js
index 9e7ba9e80d..83b395a8eb 100644
--- a/packages/zone.js/rollup.config.js
+++ b/packages/zone.js/rollup.config.js
@@ -3,9 +3,9 @@ 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) {
+if (bazel_version_file) {
   const versionTag = require('fs')
-                         .readFileSync(bazel_stamp_file, {encoding: 'utf-8'})
+                         .readFileSync(bazel_version_file, {encoding: 'utf-8'})
                          .split('\n')
                          .find(s => s.startsWith('BUILD_SCM_VERSION'));
   // Don't assume BUILD_SCM_VERSION exists
diff --git a/packages/zone.js/test/karma_test.bzl b/packages/zone.js/test/karma_test.bzl
index 3cee54a72c..611979f597 100644
--- a/packages/zone.js/test/karma_test.bzl
+++ b/packages/zone.js/test/karma_test.bzl
@@ -1,5 +1,5 @@
 load("//tools:defaults.bzl", "rollup_bundle", "ts_library")
-load("@npm//@bazel/karma:index.bzl", "karma_web_test_suite")
+load("@npm//@bazel/concatjs:index.bzl", "karma_web_test_suite")
 
 def karma_test_prepare(name, env_srcs, env_deps, env_entry_point, test_srcs, test_deps, test_entry_point):
     ts_library(