diff --git a/composer.json b/composer.json
index abe83a3..5941682 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "doctrine/coding-standard":               "^14.0.0",
         "ext-zip":                                "^1.15.0",
         "roave/infection-static-analysis-plugin": "^1.39.0",
-        "phpunit/phpunit":                        "^11.5.44",
+        "phpunit/phpunit":                        "^12.5.8",
         "psalm/plugin-phpunit":                   "^0.19.5",
         "vimeo/psalm":                            "^6.13.1"
     },