diff --git a/composer.json b/composer.json
index 81fca44..c5af2a5 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     },
     "require-dev": {
         "doctrine/coding-standard": "^11.1.0",
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^10.0.7"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index 0da46ea..2af13d8 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": "e5d0898dc72986925406b51cc0c266b3",
+    "content-hash": "f799f443376a25a42957634404240aef",
     "packages": [
         {
             "name": "amphp/amp",