1 files changed, 1 insertions, 1 deletions
diff --git a/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/definitions/utils.js b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/definitions/utils.js
index c8fee08c52..f049ccc173 100644
--- a/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/definitions/utils.js
+++ b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/definitions/utils.js
@@ -192,7 +192,7 @@ function defineType(type, opts = {}) {
     fields[key] = fields[key] || {};
   }
 
-  for (const key in fields) {
+  for (const key of Object.keys(fields)) {
     const field = fields[key];
 
     if (builder.indexOf(key) === -1) {