diff --git a/composer.json b/composer.json
index a14142cb..1480b873 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
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     "fakerphp/faker": "^1.17.0",
     "infection/infection": "~0.26.2",
-    "phpunit/phpunit": "^9.5.12",
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diff --git a/composer.lock b/composer.lock
index bda229c7..a5161e09 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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     ],
-    "content-hash": "09a905e2fe51a59915ac9dabe0f0ded0",
+    "content-hash": "4f407b88e653f4d7c56edd5f2dcd593f",
     "packages": [],
     "packages-dev": [
         {
@@ -2811,16 +2811,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.5.12",
+            "version": "9.5.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "93d4bf4c37aec6384bb9e5d390d9049a463a7256"
+                "reference": "597cb647654ede35e43b137926dfdfef0fb11743"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/93d4bf4c37aec6384bb9e5d390d9049a463a7256",
-                "reference": "93d4bf4c37aec6384bb9e5d390d9049a463a7256",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/597cb647654ede35e43b137926dfdfef0fb11743",
+                "reference": "597cb647654ede35e43b137926dfdfef0fb11743",
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             },
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@@ -2898,7 +2898,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.12"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.13"
             },
             "funding": [
                 {
@@ -2910,7 +2910,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-01-21T05:54:47+00:00"
+            "time": "2022-01-24T07:33:35+00:00"
         },
         {
             "name": "psalm/plugin-phpunit",