diff --git a/composer.lock b/composer.lock
index fcecbf7..6d14f4e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1532,16 +1532,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.5.8",
+            "version": "9.5.9",
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                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "191768ccd5c85513b4068bdbe99bb6390c7d54fb"
+                "reference": "ea8c2dfb1065eb35a79b3681eee6e6fb0a6f273b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/191768ccd5c85513b4068bdbe99bb6390c7d54fb",
-                "reference": "191768ccd5c85513b4068bdbe99bb6390c7d54fb",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/ea8c2dfb1065eb35a79b3681eee6e6fb0a6f273b",
+                "reference": "ea8c2dfb1065eb35a79b3681eee6e6fb0a6f273b",
                 "shasum": ""
             },
             "require": {
@@ -1619,7 +1619,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.8"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.9"
             },
             "funding": [
                 {
@@ -1631,7 +1631,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-07-31T15:17:34+00:00"
+            "time": "2021-08-31T06:47:40+00:00"
         },
         {
             "name": "sebastian/cli-parser",
@@ -2848,5 +2848,5 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.1.0"
 }