diff --git a/composer.lock b/composer.lock
index e8b908c8..286a93eb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1150,16 +1150,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.5.3",
+            "version": "9.5.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "27241ac75fc37ecf862b6e002bf713b6566cbe41"
+                "reference": "c73c6737305e779771147af66c96ca6a7ed8a741"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/27241ac75fc37ecf862b6e002bf713b6566cbe41",
-                "reference": "27241ac75fc37ecf862b6e002bf713b6566cbe41",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c73c6737305e779771147af66c96ca6a7ed8a741",
+                "reference": "c73c6737305e779771147af66c96ca6a7ed8a741",
                 "shasum": ""
             },
             "require": {
@@ -1245,7 +1245,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-03-17T07:30:34+00:00"
+            "time": "2021-03-23T07:16:29+00:00"
         },
         {
             "name": "sebastian/cli-parser",