diff --git a/labelme/_version.py b/labelme/_version.py
index 830a3992e6bfcc770303759599580a428bf9d8ec..f6310076385fa1fbf299fe9a50a35e80039d9833 100644
--- a/labelme/_version.py
+++ b/labelme/_version.py
@@ -1 +1 @@
-__version__ = '3.3.7'
+__version__ = '3.4.0'