diff --git a/composer.json b/composer.json
index 1dce78f..017574f 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "require-dev": {
         "ext-json": "*",
         "roave/security-advisories": "dev-latest",
-        "phpunit/phpunit": "10.5.59",
+        "phpunit/phpunit": "10.5.60",
         "squizlabs/php_codesniffer": "4.0.1"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index 8899f37..7096b23 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b1e4ea7cd362409c43bd9b8b2f73376c",
+    "content-hash": "6b7e41e8eb597baeb568abff75b9556f",
     "packages": [
         {
             "name": "personnummer/personnummer",
@@ -692,16 +692,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.59",
+            "version": "10.5.60",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "c47fe00df06fb1f68399ef7386edb01c25132473"
+                "reference": "f2e26f52f80ef77832e359205f216eeac00e320c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c47fe00df06fb1f68399ef7386edb01c25132473",
-                "reference": "c47fe00df06fb1f68399ef7386edb01c25132473",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/f2e26f52f80ef77832e359205f216eeac00e320c",
+                "reference": "f2e26f52f80ef77832e359205f216eeac00e320c",
                 "shasum": ""
             },
             "require": {
@@ -773,7 +773,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.59"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.60"
             },
             "funding": [
                 {
@@ -797,7 +797,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-12-01T07:37:23+00:00"
+            "time": "2025-12-06T07:50:42+00:00"
         },
         {
             "name": "roave/security-advisories",