diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3cd3675..d8d53b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ on:
 name: "Continuous Integration"
 
 env:
-  PHP_EXTENSIONS: none
+  PHP_EXTENSIONS: ""
   PHP_INI_VALUES: memory_limit=-1, error_reporting=-1, display_errors=On
 
 jobs:
@@ -54,7 +54,7 @@ jobs:
           ini-values: ${{ env.PHP_INI_VALUES }}
           coverage: none
 
-      - name: "Update dependencies with composer"
+      - name: "Install dependencies with composer"
         uses: ramsey/composer-install@v3
 
       - name: "Run phan"
@@ -121,7 +121,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: "8.3"
-          extensions: ${{ env.PHP_EXTENSIONS }}
+          extensions: simplexml, ${{ env.PHP_EXTENSIONS }}
           ini-values: ${{ env.PHP_INI_VALUES }}
           coverage: none
           tools: phpDocumentor