diff --git a/packages/compiler-cli/package.json b/packages/compiler-cli/package.json
index 2254201ab6..1bb952413f 100644
--- a/packages/compiler-cli/package.json
+++ b/packages/compiler-cli/package.json
@@ -19,6 +19,7 @@
     "magic-string": "^0.25.0",
     "shelljs": "^0.8.1",
     "source-map": "^0.6.1",
+    "tslib": "^1.9.0",
     "yargs": "9.0.1"
   },
   "peerDependencies": {