diff --git a/CHANGES.rst b/CHANGES.rst
index b3ca50c..2333a00 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@
  Changes
 =========
 
+4.3.2 (unreleased)
+==================
+
+- Nothing changed yet.
+
+
 4.3.1 (2018-10-16)
 ==================
 
diff --git a/setup.py b/setup.py
index ae5d8ca..9ef91e8 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ def read(filename):
 
 setup(
     name='zope.traversing',
-    version='4.3.1',
+    version='4.3.2.dev0',
     url='https://github.com/zopefoundation/zope.traversing',
     license='ZPL 2.1',
     author='Zope Foundation and Contributors',