diff --git a/app/manifest.json b/app/manifest.json
index 7deaf280bfb1..0648e2d193c6 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -22,7 +22,7 @@
   "applications": {
     "gecko": {
       "id": "webextension@metamask.io",
-      "strict_min_version": "60.0"
+      "strict_min_version": "56.2"
     }
   },
   "default_locale": "en",
diff --git a/babel.config.js b/babel.config.js
index 173ebc41af26..24ed8bd4f353 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -8,7 +8,7 @@ module.exports = function (api) {
           targets: {
             browsers: [
               'chrome >= 58',
-              'firefox >= 60',
+              'firefox >= 56.2',
             ],
           },
         },