diff --git a/src/babel/transformation/transformers/deprecated.json b/src/babel/transformation/transformers/deprecated.json
index bca3bdc1e0..98d4556ed9 100644
--- a/src/babel/transformation/transformers/deprecated.json
+++ b/src/babel/transformation/transformers/deprecated.json
@@ -3,6 +3,7 @@
   "unicode-regex": "regex.unicode",
   "spec.typeofSymbol": "es6.spec.symbols",
   "es6.symbols": "es6.spec.symbols",
+  "es6.blockScopingTDZ": "es6.spec.blockScoping",
 
   "minification.deadCodeElimination": "utility.deadCodeElimination",
   "minification.removeConsoleCalls": "utility.removeConsole",