diff --git a/tests/phpunit/src/TestBase.php b/tests/phpunit/src/TestBase.php
index 138e9df09..f8c5956f2 100644
--- a/tests/phpunit/src/TestBase.php
+++ b/tests/phpunit/src/TestBase.php
@@ -42,7 +42,6 @@
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Filesystem\Path;
 use Symfony\Component\Process\Process;
-use Symfony\Component\Yaml\Yaml;
 
 /**
  * @property \Acquia\Cli\Command\CommandBase $command
@@ -362,7 +361,7 @@ protected function getCloudApiSpec(): mixed {
     if ($isCommandCacheValid && $apiSpecCacheItem->isHit()) {
       return $apiSpecCacheItem->get();
     }
-    $apiSpec = Yaml::parseFile($acquiaCloudSpecFile);
+    $apiSpec = json_decode(file_get_contents($acquiaCloudSpecFile), TRUE);
     $this->saveApiSpecCacheItems($cache, $acquiaCloudSpecFileChecksum, $apiSpecCacheItem, $apiSpec);
 
     return $apiSpec;