diff --git a/labelImg.py b/labelImg.py
index 3db26f6a..70c4cb7d 100755
--- a/labelImg.py
+++ b/labelImg.py
@@ -27,7 +27,7 @@ except ImportError:
     from PyQt4.QtGui import *
     from PyQt4.QtCore import *
 
-from combobox import ComboBox
+from libs.combobox import ComboBox
 from libs.resources import *
 from libs.constants import *
 from libs.utils import *
diff --git a/libs/__init__.py b/libs/__init__.py
index d4e244b4..968104c0 100644
--- a/libs/__init__.py
+++ b/libs/__init__.py
@@ -1,2 +1,2 @@
-__version_info__ = ('1', '8', '2')
+__version_info__ = ('1', '8', '4')
 __version__ = '.'.join(__version_info__)
diff --git a/combobox.py b/libs/combobox.py
similarity index 100%
rename from combobox.py
rename to libs/combobox.py