diff --git a/composer.lock b/composer.lock
index 72df390..dc66212 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2434,16 +2434,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.2.7",
+            "version": "10.3.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "a215d9ee8bac1733796e4ddff3306811f14414e5"
+                "reference": "d442ce7c4104d5683c12e67e4dcb5058159e9804"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a215d9ee8bac1733796e4ddff3306811f14414e5",
-                "reference": "a215d9ee8bac1733796e4ddff3306811f14414e5",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/d442ce7c4104d5683c12e67e4dcb5058159e9804",
+                "reference": "d442ce7c4104d5683c12e67e4dcb5058159e9804",
                 "shasum": ""
             },
             "require": {
@@ -2483,7 +2483,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "10.2-dev"
+                    "dev-main": "10.3-dev"
                 }
             },
             "autoload": {
@@ -2515,7 +2515,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.2.7"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.3.1"
             },
             "funding": [
                 {
@@ -2531,7 +2531,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-08-02T06:46:08+00:00"
+            "time": "2023-08-04T06:48:08+00:00"
         },
         {
             "name": "psalm/plugin-phpunit",