diff --git a/composer.lock b/composer.lock
index ca52b45..d52405a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -6333,16 +6333,16 @@
         },
         {
             "name": "symfony/serializer",
-            "version": "v5.3.10",
+            "version": "v5.3.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/serializer.git",
-                "reference": "5d7f068253ac3e7c62964ebdda491b06d401059a"
+                "reference": "bf570839e289e0bdde69c9fa867d3a42f5e8fde1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/serializer/zipball/5d7f068253ac3e7c62964ebdda491b06d401059a",
-                "reference": "5d7f068253ac3e7c62964ebdda491b06d401059a",
+                "url": "https://api.github.com/repos/symfony/serializer/zipball/bf570839e289e0bdde69c9fa867d3a42f5e8fde1",
+                "reference": "bf570839e289e0bdde69c9fa867d3a42f5e8fde1",
                 "shasum": ""
             },
             "require": {
@@ -6415,7 +6415,7 @@
             "description": "Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON.",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/serializer/tree/v5.3.10"
+                "source": "https://github.com/symfony/serializer/tree/v5.3.12"
             },
             "funding": [
                 {
@@ -6431,7 +6431,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-09-29T17:19:25+00:00"
+            "time": "2021-11-24T08:13:09+00:00"
         },
         {
             "name": "symfony/service-contracts",