diff --git a/topojson/__init__.py b/topojson/__init__.py
index 8b4c467..f7d63ec 100644
--- a/topojson/__init__.py
+++ b/topojson/__init__.py
@@ -20,6 +20,6 @@
   - Optional support for UI controls to exploring the results of topoquantize
     and toposimplify interactively if ipywidgets is installed.
 """
-__version__ = "1.2"
+__version__ = "1.3"
 
 from .core.topology import Topology  # noqa