diff --git a/setup.py b/setup.py
index 7914311..346a382 100644
--- a/setup.py
+++ b/setup.py
@@ -81,7 +81,7 @@ def text(*args, **kwargs):
 
 setup(
     name="zc.relation",
-    version='1.1',
+    version='1.2.dev0',
     packages=find_packages('src'),
     include_package_data=True,
     package_dir={'': 'src'},
diff --git a/src/zc/relation/CHANGES.rst b/src/zc/relation/CHANGES.rst
index 490dd68..c389786 100644
--- a/src/zc/relation/CHANGES.rst
+++ b/src/zc/relation/CHANGES.rst
@@ -3,6 +3,12 @@ Changes
 =======
 
 
+1.2 (unreleased)
+================
+
+- Nothing changed yet.
+
+
 1.1 (2018-06-15)
 ================