diff --git a/CHANGES.rst b/CHANGES.rst
index e0f3950..ac47821 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.20 (unreleased)
+-----------------
+
+- Nothing changed yet.
+
+
 1.19 (2019-10-01)
 -----------------
 
diff --git a/setup.py b/setup.py
index e20f2a7..a8bbb5a 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 setup(
     name='imio.history',
-    version='1.19',
+    version='1.20.dev0',
     description="Imio history",
     long_description=long_description,
     # Get more from http://pypi.python.org/pypi?%3Aaction=list_classifiers