diff --git a/.laminas-ci.json b/.laminas-ci.json
index 4cf251a..fd5f3d4 100644
--- a/.laminas-ci.json
+++ b/.laminas-ci.json
@@ -4,5 +4,8 @@
         {"name": "PHPUnit on PHP 7.0 with locked dependencies"},
         {"name": "PHPUnit on PHP 7.1 with locked dependencies"},
         {"name": "PHPUnit on PHP 7.2 with locked dependencies"}
-    ]
+    ],
+    "ignore_php_platform_requirements": {
+        "8.1": true
+    }
 }
diff --git a/composer.json b/composer.json
index 21a6352..d565735 100644
--- a/composer.json
+++ b/composer.json
@@ -26,13 +26,13 @@
         }
     },
     "require": {
-        "php": "^7.3 || ~8.0.0",
+        "php": "^7.3 || ~8.0.0 || ~8.1.0",
         "laminas/laminas-cli": "^1.0",
         "webmozart/assert": "^1.10"
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.1.4",
-        "mikey179/vfsstream": "^1.6.7",
+        "mikey179/vfsstream": "^1.6.10",
         "phpunit/phpunit": "^9.3",
         "psalm/plugin-phpunit": "^0.15.1",
         "vimeo/psalm": "^4.6"
diff --git a/composer.lock b/composer.lock
index d7683fb..8b640c6 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": "91f12e77401b7d9fe7e6e29ef0379850",
+    "content-hash": "a6a65b39eb6dc37ab0428548aac39ce7",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -4521,8 +4521,8 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.3 || ~8.0.0"
+        "php": "^7.3 || ~8.0.0 || ~8.1.0"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.1.0"
 }