diff --git a/src/Service/GitSynchronizer.php b/src/Service/GitSynchronizer.php
index deae5f7..4fd46af 100644
--- a/src/Service/GitSynchronizer.php
+++ b/src/Service/GitSynchronizer.php
@@ -50,7 +50,7 @@ final class GitSynchronizer
             $this->runGit(['git', '-C', $repositoryDir, 'remote', 'set-url', 'origin', $mapping->getRepositoryUrl()], null, $env);
         }
 
-        $this->runGit(['git', '-C', $repositoryDir, 'fetch', '--prune', '--tags', 'origin', $mapping->getGitRef()], null, $env);
+        $this->runGit(['git', '-C', $repositoryDir, 'fetch', '--prune', '--tags', '--force', 'origin', $mapping->getGitRef()], null, $env);
         $this->runGit(['git', '-C', $repositoryDir, 'checkout', '--force', 'FETCH_HEAD'], null, $env);
 
         return $repositoryDir;