diff --git a/composer.json b/composer.json
index 6aa8b1e7..fae4370e 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "require-dev": {
         "ext-json": "*",
         "friendsofphp/php-cs-fixer": "^2.15",
-        "mikey179/vfsstream": "^1.6",
+        "mikey179/vfsstream": "^1.6.7",
         "phpunit/phpunit": "^8.2||^9.0"
     },
     "autoload-dev": {
diff --git a/composer.lock b/composer.lock
index 0b2a6359..7ee516dd 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": "56e1411c47d64c670aef32d410b246b4",
+    "content-hash": "39a2812a962ea5afd71fa5ab0ff36ddd",
     "packages": [
         {
             "name": "composer/ca-bundle",