diff --git a/integration/bazel/src/tsconfig.json b/integration/bazel/src/tsconfig.json
index 068cd10fcc..c568afaad1 100644
--- a/integration/bazel/src/tsconfig.json
+++ b/integration/bazel/src/tsconfig.json
@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "importHelpers": true,
     "experimentalDecorators": true,
     "lib": [
       "dom",
diff --git a/packages/examples/upgrade/tsconfig-build.json b/packages/examples/upgrade/tsconfig-build.json
index 70ccf09202..eb79d48482 100644
--- a/packages/examples/upgrade/tsconfig-build.json
+++ b/packages/examples/upgrade/tsconfig-build.json
@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "importHelpers": true,
     "lib": ["dom", "es2015"],
     "types": ["angular"]
   }