diff --git a/packages/react-dev-utils/browsersHelper.js b/packages/react-dev-utils/browsersHelper.js
index 1cbc1ee7185..b32879944ab 100644
--- a/packages/react-dev-utils/browsersHelper.js
+++ b/packages/react-dev-utils/browsersHelper.js
@@ -13,7 +13,12 @@ const inquirer = require('inquirer');
 const pkgUp = require('pkg-up');
 const fs = require('fs');
 
-const defaultBrowsers = ['>0.25%', 'not op_mini all', 'ie 11'];
+const defaultBrowsers = [
+  '>0.2%',
+  'not dead',
+  'not ie <= 11',
+  'not op_mini all',
+];
 
 function shouldSetBrowsers(isInteractive) {
   if (!isInteractive) {
diff --git a/packages/react-scripts/config/webpack.config.dev.js b/packages/react-scripts/config/webpack.config.dev.js
index 9b1f4182226..13fe5cafc24 100644
--- a/packages/react-scripts/config/webpack.config.dev.js
+++ b/packages/react-scripts/config/webpack.config.dev.js
@@ -60,7 +60,7 @@ const getStyleLoaders = (cssOptions, preProcessor) => {
             autoprefixer: {
               flexbox: 'no-2009',
             },
-            stage: 4,
+            stage: 3,
           }),
         ],
       },
diff --git a/packages/react-scripts/config/webpack.config.prod.js b/packages/react-scripts/config/webpack.config.prod.js
index 9ce5eb80194..af250048d14 100644
--- a/packages/react-scripts/config/webpack.config.prod.js
+++ b/packages/react-scripts/config/webpack.config.prod.js
@@ -72,7 +72,7 @@ const getStyleLoaders = (cssOptions, preProcessor) => {
             autoprefixer: {
               flexbox: 'no-2009',
             },
-            stage: 4,
+            stage: 3,
           }),
         ],
         sourceMap: shouldUseSourceMap,