diff --git a/app/manifest/chrome.json b/app/manifest/chrome.json
index 281c847a47ff..e4bb01cdd4b6 100644
--- a/app/manifest/chrome.json
+++ b/app/manifest/chrome.json
@@ -3,5 +3,5 @@
     "matches": ["https://metamask.io/*"],
     "ids": ["*"]
   },
-  "minimum_chrome_version": "63"
+  "minimum_chrome_version": "66"
 }
diff --git a/babel.config.js b/babel.config.js
index 6c98e6df411d..efd47469672b 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -6,7 +6,7 @@ module.exports = function (api) {
         '@babel/preset-env',
         {
           targets: {
-            browsers: ['chrome >= 63', 'firefox >= 68'],
+            browsers: ['chrome >= 66', 'firefox >= 68'],
           },
         },
       ],