diff --git a/src/Composer/Command/RequireCommand.php b/src/Composer/Command/RequireCommand.php
index 690250c05..67e6c720b 100644
--- a/src/Composer/Command/RequireCommand.php
+++ b/src/Composer/Command/RequireCommand.php
@@ -248,7 +248,7 @@ EOT
         ;
 
         $status = $install->run();
-        if ($status !== 0) {
+        if ($status !== 0 || $input->getOption('dry-run')) {
             $this->revertComposerFile(false);
         }