diff --git a/composer-root-version-checker/composer.lock b/composer-root-version-checker/composer.lock
index 9714676e..b6d354e4 100644
--- a/composer-root-version-checker/composer.lock
+++ b/composer-root-version-checker/composer.lock
@@ -1586,16 +1586,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "11.5.3",
+            "version": "11.5.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "30e319e578a7b5da3543073e30002bf82042f701"
+                "reference": "3c3ae14c90f244cdda95028c3e469028e8d1c02c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/30e319e578a7b5da3543073e30002bf82042f701",
-                "reference": "30e319e578a7b5da3543073e30002bf82042f701",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/3c3ae14c90f244cdda95028c3e469028e8d1c02c",
+                "reference": "3c3ae14c90f244cdda95028c3e469028e8d1c02c",
                 "shasum": ""
             },
             "require": {
@@ -1667,7 +1667,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/11.5.3"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/11.5.6"
             },
             "funding": [
                 {
@@ -1683,7 +1683,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-01-13T09:36:00+00:00"
+            "time": "2025-01-31T07:03:30+00:00"
         },
         {
             "name": "sebastian/cli-parser",