diff --git a/composer.lock b/composer.lock
index 350111d..c7a45da 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2297,20 +2297,20 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.18.1",
+            "version": "v1.22.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "a6977d63bf9a0ad4c65cd352709e230876f9904a"
+                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/a6977d63bf9a0ad4c65cd352709e230876f9904a",
-                "reference": "a6977d63bf9a0ad4c65cd352709e230876f9904a",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
+                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=7.1"
             },
             "suggest": {
                 "ext-mbstring": "For best performance"
@@ -2318,7 +2318,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.18-dev"
+                    "dev-main": "1.22-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -2357,7 +2357,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.18.1"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.22.0"
             },
             "funding": [
                 {
@@ -2373,7 +2373,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-07-14T12:35:20+00:00"
+            "time": "2021-01-07T16:49:33+00:00"
         },
         {
             "name": "symfony/polyfill-php70",