diff --git a/composer.json b/composer.json
index 3e7431a93..37839acee 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,6 @@
         "psalm/psalm": "self.version"
     },
     "require-dev": {
-        "php": "^7.3|^8",
         "ext-curl": "*",
         "amphp/amp": "^2.4.2",
         "bamarni/composer-bin-plugin": "^1.2",
@@ -60,7 +59,8 @@
     },
     "config": {
         "optimize-autoloader": true,
-        "sort-packages": true
+        "sort-packages": true,
+        "platform-check": false
     },
     "extra": {
         "branch-alias": {
diff --git a/vendor-bin/box/composer.json b/vendor-bin/box/composer.json
index ecb5859e0..6636f4797 100644
--- a/vendor-bin/box/composer.json
+++ b/vendor-bin/box/composer.json
@@ -2,9 +2,6 @@
 	"minimum-stability": "dev",
 	"prefer-stable": true,
 	"require": {
-		"humbug/box": "^3.8"
-	},
-    "config": {
-        "platform-check": false
-    }
+		"humbug/box": "3.10.*"
+	}
 }