diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0d83a43cb..31b047790 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
   phpunit:
     uses: yiisoft/actions/.github/workflows/phpunit.yml@master
     with:
-      extensions: fileinfo
+      extensions: sockets
       os: >-
         ['ubuntu-latest', 'windows-latest']
       php: >-
diff --git a/composer.json b/composer.json
index aebfa63bb..549f83742 100644
--- a/composer.json
+++ b/composer.json
@@ -43,6 +43,7 @@
     },
     "require-dev": {
         "ext-curl": "*",
+        "ext-sockets": "*",
         "maglnet/composer-require-checker": "^4.2",
         "nyholm/psr7": "^1.3",
         "phpunit/phpunit": "^9.4",