diff --git a/composer.json b/composer.json
index d4b3aa85..9929136d 100644
--- a/composer.json
+++ b/composer.json
@@ -52,6 +52,6 @@
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     "psr/cache": "^3.0.0",
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+    "phpunit/phpunit": "11.5.5"
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diff --git a/composer.lock b/composer.lock
index 5d13bf37..2b55d367 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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-    "content-hash": "99fea07356a29059df74e5f11f96446f",
+    "content-hash": "ce736247b2d98034c3e5c31a492fa454",
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             "name": "macbre/monolog-utils",
@@ -1452,16 +1452,16 @@
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         {
             "name": "phpunit/phpunit",
-            "version": "11.5.3",
+            "version": "11.5.5",
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                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "30e319e578a7b5da3543073e30002bf82042f701"
+                "reference": "b9a975972f580c0491f834eb0818ad2b32fd8bba"
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             "dist": {
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-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/30e319e578a7b5da3543073e30002bf82042f701",
-                "reference": "30e319e578a7b5da3543073e30002bf82042f701",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/b9a975972f580c0491f834eb0818ad2b32fd8bba",
+                "reference": "b9a975972f580c0491f834eb0818ad2b32fd8bba",
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@@ -1533,7 +1533,7 @@
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                 "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/11.5.5"
             },
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@@ -1549,7 +1549,7 @@
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             ],
-            "time": "2025-01-13T09:36:00+00:00"
+            "time": "2025-01-29T14:01:11+00:00"
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         {
             "name": "psr/cache",