diff --git a/package.json b/package.json
index b6300433555a..b5165497f321 100644
--- a/package.json
+++ b/package.json
@@ -133,6 +133,7 @@
     "scss/"
   ],
   "browserslist": [
+    "last 1 major version",
     "Chrome >= 45",
     "Firefox >= 38",
     "Edge >= 12",
@@ -153,11 +154,11 @@
     },
     {
       "path": "./dist/css/bootstrap-reboot.css",
-      "maxSize": "5 kB"
+      "maxSize": "3 kB"
     },
     {
       "path": "./dist/css/bootstrap-reboot.min.css",
-      "maxSize": "5 kB"
+      "maxSize": "3 kB"
     },
     {
       "path": "./dist/css/bootstrap.css",
@@ -165,7 +166,7 @@
     },
     {
       "path": "./dist/css/bootstrap.min.css",
-      "maxSize": "20 kB"
+      "maxSize": "21 kB"
     },
     {
       "path": "./dist/js/bootstrap.bundle.js",