diff --git a/composer.json b/composer.json
index d9ce4a4..f325b7e 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
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         "phpolar/http-message-test-utils": "^0.1.0 || ^0.2.0",
         "phpstan/phpstan": "^1.9",
-        "phpunit/phpunit": "10.4.1",
+        "phpunit/phpunit": "10.4.2",
         "squizlabs/php_codesniffer": "^3.7"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index 6150d36..c01ebfc 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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     ],
-    "content-hash": "411d80f53c6480c558df5260d14e5cfc",
+    "content-hash": "717fd9da79a089b1dd0a44ab661e3a2d",
     "packages": [
         {
             "name": "php-contrib/response-filter",
@@ -2006,16 +2006,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.4.1",
+            "version": "10.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "62bd7af13d282deeb95650077d28ba3600ca321c"
+                "reference": "cacd8b9dd224efa8eb28beb69004126c7ca1a1a1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/62bd7af13d282deeb95650077d28ba3600ca321c",
-                "reference": "62bd7af13d282deeb95650077d28ba3600ca321c",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/cacd8b9dd224efa8eb28beb69004126c7ca1a1a1",
+                "reference": "cacd8b9dd224efa8eb28beb69004126c7ca1a1a1",
                 "shasum": ""
             },
             "require": {
@@ -2087,7 +2087,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.4.1"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.4.2"
             },
             "funding": [
                 {
@@ -2103,7 +2103,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-10-08T05:01:11+00:00"
+            "time": "2023-10-26T07:21:45+00:00"
         },
         {
             "name": "psr/container",