diff --git a/composer.json b/composer.json
index 0f5a086..ecf766e 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
   ],
   "require": {
     "php": "^8.2",
-    "phpunit/phpunit": "^9.6.12",
+    "phpunit/phpunit": "^9.6.13",
     "react/async": "^4.1.0",
     "react/event-loop": "^1.4.0",
     "react/promise": "^2.10 || ^3.0",
diff --git a/composer.lock b/composer.lock
index 5e6c7fe..7c1d697 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7617896f8b96ceec3c9c14cea59d3eef",
+    "content-hash": "19fe1273ee3843701ffff63839f68499",
     "packages": [
         {
             "name": "amphp/amp",
@@ -4893,16 +4893,16 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.28",
+            "version": "9.2.29",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "7134a5ccaaf0f1c92a4f5501a6c9f98ac4dcc0ef"
+                "reference": "6a3a87ac2bbe33b25042753df8195ba4aa534c76"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/7134a5ccaaf0f1c92a4f5501a6c9f98ac4dcc0ef",
-                "reference": "7134a5ccaaf0f1c92a4f5501a6c9f98ac4dcc0ef",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/6a3a87ac2bbe33b25042753df8195ba4aa534c76",
+                "reference": "6a3a87ac2bbe33b25042753df8195ba4aa534c76",
                 "shasum": ""
             },
             "require": {
@@ -4959,7 +4959,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
                 "security": "https://github.com/sebastianbergmann/php-code-coverage/security/policy",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.28"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.29"
             },
             "funding": [
                 {
@@ -4967,7 +4967,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-09-12T14:36:20+00:00"
+            "time": "2023-09-19T04:57:46+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -5212,16 +5212,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.6.12",
+            "version": "9.6.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "a122c2ebd469b751d774aa0f613dc0d67697653f"
+                "reference": "f3d767f7f9e191eab4189abe41ab37797e30b1be"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a122c2ebd469b751d774aa0f613dc0d67697653f",
-                "reference": "a122c2ebd469b751d774aa0f613dc0d67697653f",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/f3d767f7f9e191eab4189abe41ab37797e30b1be",
+                "reference": "f3d767f7f9e191eab4189abe41ab37797e30b1be",
                 "shasum": ""
             },
             "require": {
@@ -5295,7 +5295,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.12"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.13"
             },
             "funding": [
                 {
@@ -5311,7 +5311,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-09-12T14:39:31+00:00"
+            "time": "2023-09-19T05:39:22+00:00"
         },
         {
             "name": "psalm/plugin-phpunit",