diff --git a/composer.lock b/composer.lock
index 3580d109dc..e46e7d4a56 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1945,16 +1945,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.22.1",
+            "version": "v1.23.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "5232de97ee3b75b0360528dae24e73db49566ab1"
+                "reference": "9174a3d80210dca8daa7f31fec659150bbeabfc6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/5232de97ee3b75b0360528dae24e73db49566ab1",
-                "reference": "5232de97ee3b75b0360528dae24e73db49566ab1",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/9174a3d80210dca8daa7f31fec659150bbeabfc6",
+                "reference": "9174a3d80210dca8daa7f31fec659150bbeabfc6",
                 "shasum": ""
             },
             "require": {
@@ -1966,7 +1966,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.22-dev"
+                    "dev-main": "1.23-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -2018,7 +2018,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-01-22T09:19:47+00:00"
+            "time": "2021-05-27T12:26:48+00:00"
         },
         {
             "name": "symfony/polyfill-php73",