diff --git a/ypywidgets/__init__.py b/ypywidgets/__init__.py
index 114f7ff..7a01fe2 100644
--- a/ypywidgets/__init__.py
+++ b/ypywidgets/__init__.py
@@ -2,4 +2,4 @@
 from .reactive import reactive as reactive
 
 
-__version__ = "0.6.4"
+__version__ = "0.6.5"