diff --git a/bbuilder/lib/worker.py b/bbuilder/lib/worker.py
index 9f1dac9..bd8d775 100644
--- a/bbuilder/lib/worker.py
+++ b/bbuilder/lib/worker.py
@@ -99,7 +99,7 @@ def clone_repository(clone_url, config):
     print(f"Cloning repository...")
     if config['ssh_key'] is not None:
         ssh_key_file = config['ssh_key']
-        os.environ['GIT_SSH_COMMAND'] = f'ssh -i {ssh_key_file} -o IdentitiesOnly=yes'
+        os.environ['GIT_SSH_COMMAND'] = f'ssh -i {ssh_key_file} -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new -o VerifyHostKeyDNS=yes'
 
     os.system(f'git clone {clone_url} repo')