diff --git a/composer.lock b/composer.lock
index 3b106a47de..181c5dee3f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -9268,16 +9268,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.5.4",
+            "version": "9.5.5",
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                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "c73c6737305e779771147af66c96ca6a7ed8a741"
+                "reference": "89ff45ea9d70e35522fb6654a2ebc221158de276"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c73c6737305e779771147af66c96ca6a7ed8a741",
-                "reference": "c73c6737305e779771147af66c96ca6a7ed8a741",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/89ff45ea9d70e35522fb6654a2ebc221158de276",
+                "reference": "89ff45ea9d70e35522fb6654a2ebc221158de276",
                 "shasum": ""
             },
             "require": {
@@ -9307,7 +9307,7 @@
                 "sebastian/global-state": "^5.0.1",
                 "sebastian/object-enumerator": "^4.0.3",
                 "sebastian/resource-operations": "^3.0.3",
-                "sebastian/type": "^2.3",
+                "sebastian/type": "^2.3.2",
                 "sebastian/version": "^3.0.2"
             },
             "require-dev": {
@@ -9355,7 +9355,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.4"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.5"
             },
             "funding": [
                 {
@@ -9367,7 +9367,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-03-23T07:16:29+00:00"
+            "time": "2021-06-05T04:49:07+00:00"
         },
         {
             "name": "react/promise",