diff --git a/composer.lock b/composer.lock
index 59ea4db95..b40fe9ac8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -926,22 +926,22 @@
         },
         {
             "name": "giggsey/libphonenumber-for-php",
-            "version": "8.12.4",
+            "version": "8.12.15",
             "source": {
                 "type": "git",
                 "url": "https://github.com/giggsey/libphonenumber-for-php.git",
-                "reference": "cb79970730aacaedb74c8288214a5576572fa7b0"
+                "reference": "c1f328bface2745ff1a292639dd68cafc673a456"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/giggsey/libphonenumber-for-php/zipball/cb79970730aacaedb74c8288214a5576572fa7b0",
-                "reference": "cb79970730aacaedb74c8288214a5576572fa7b0",
+                "url": "https://api.github.com/repos/giggsey/libphonenumber-for-php/zipball/c1f328bface2745ff1a292639dd68cafc673a456",
+                "reference": "c1f328bface2745ff1a292639dd68cafc673a456",
                 "shasum": ""
             },
             "require": {
-                "ext-mbstring": "*",
                 "giggsey/locale": "^1.7",
-                "php": ">=5.3.2"
+                "php": ">=5.3.2",
+                "symfony/polyfill-mbstring": "^1.17"
             },
             "require-dev": {
                 "pear/pear-core-minimal": "^1.9",
@@ -949,8 +949,8 @@
                 "pear/versioncontrol_git": "^0.5",
                 "phing/phing": "^2.7",
                 "php-coveralls/php-coveralls": "^1.0|^2.0",
-                "phpunit/phpunit": "^4.8.36|^5.0",
-                "symfony/console": "^2.8|^3.0"
+                "symfony/console": "^2.8|^3.0",
+                "symfony/phpunit-bridge": "^4.2 || ^5"
             },
             "type": "library",
             "extra": {
@@ -990,7 +990,12 @@
                 "phonenumber",
                 "validation"
             ],
-            "time": "2020-05-19T11:20:54+00:00"
+            "support": {
+                "irc": "irc://irc.appliedirc.com/lobby",
+                "issues": "https://github.com/giggsey/libphonenumber-for-php/issues",
+                "source": "https://github.com/giggsey/libphonenumber-for-php"
+            },
+            "time": "2020-12-15T10:15:17+00:00"
         },
         {
             "name": "giggsey/locale",
@@ -1039,6 +1044,10 @@
                 }
             ],
             "description": "Locale functions required by libphonenumber-for-php",
+            "support": {
+                "issues": "https://github.com/giggsey/Locale/issues",
+                "source": "https://github.com/giggsey/Locale/tree/master"
+            },
             "time": "2020-07-07T11:16:24+00:00"
         },
         {
@@ -4758,16 +4767,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.20.0",
+            "version": "v1.22.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "39d483bdf39be819deabf04ec872eb0b2410b531"
+                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/39d483bdf39be819deabf04ec872eb0b2410b531",
-                "reference": "39d483bdf39be819deabf04ec872eb0b2410b531",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
+                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
                 "shasum": ""
             },
             "require": {
@@ -4779,7 +4788,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.20-dev"
+                    "dev-main": "1.22-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -4818,7 +4827,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.20.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.22.0"
             },
             "funding": [
                 {
@@ -4834,7 +4843,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-10-23T14:02:19+00:00"
+            "time": "2021-01-07T16:49:33+00:00"
         },
         {
             "name": "symfony/polyfill-php72",