diff --git a/.browserslistrc b/.browserslistrc
index cc24a06a05..c71c8b9c71 100644
--- a/.browserslistrc
+++ b/.browserslistrc
@@ -6,7 +6,6 @@ not dead
 Chrome >= 60
 Firefox >= 60
 Firefox ESR
-iOS >= 10
-Safari >= 10
-Android >= 6
+iOS >= 12
+Safari >= 12
 not Explorer <= 11
diff --git a/.bundlewatch.config.json b/.bundlewatch.config.json
index 58de657940..32826198c3 100644
--- a/.bundlewatch.config.json
+++ b/.bundlewatch.config.json
@@ -34,27 +34,27 @@
     },
     {
       "path": "./dist/js/bootstrap.bundle.js",
-      "maxSize": "43 kB"
+      "maxSize": "41 kB"
     },
     {
       "path": "./dist/js/bootstrap.bundle.min.js",
-      "maxSize": "22.75 kB"
+      "maxSize": "22 kB"
     },
     {
       "path": "./dist/js/bootstrap.esm.js",
-      "maxSize": "28.5 kB"
+      "maxSize": "27 kB"
     },
     {
       "path": "./dist/js/bootstrap.esm.min.js",
-      "maxSize": "19 kB"
+      "maxSize": "18 kB"
     },
     {
       "path": "./dist/js/bootstrap.js",
-      "maxSize": "29 kB"
+      "maxSize": "27 kB"
     },
     {
       "path": "./dist/js/bootstrap.min.js",
-      "maxSize": "16.5 kB"
+      "maxSize": "15.75 kB"
     }
   ],
   "ci": {
diff --git a/js/tests/browsers.js b/js/tests/browsers.js
index 00ad77ad74..b8e47a364f 100644
--- a/js/tests/browsers.js
+++ b/js/tests/browsers.js
@@ -40,7 +40,7 @@ const browsers = {
   iphone7: {
     base: 'BrowserStack',
     os: 'ios',
-    os_version: '10.0',
+    os_version: '12.0',
     device: 'iPhone 7',
     real_mobile: true
   },