diff --git a/composer.lock b/composer.lock
index 7cbc25e5..a8185874 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1141,16 +1141,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "8.5.3",
+            "version": "8.5.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "67750516bc02f300e2742fed2f50177f8f37bedf"
+                "reference": "8474e22d7d642f665084ba5ec780626cbd1efd23"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/67750516bc02f300e2742fed2f50177f8f37bedf",
-                "reference": "67750516bc02f300e2742fed2f50177f8f37bedf",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/8474e22d7d642f665084ba5ec780626cbd1efd23",
+                "reference": "8474e22d7d642f665084ba5ec780626cbd1efd23",
                 "shasum": ""
             },
             "require": {
@@ -1220,7 +1220,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2020-03-31T08:52:04+00:00"
+            "time": "2020-04-23T04:39:42+00:00"
         },
         {
             "name": "psr/container",