diff --git a/CHANGELOG.md b/CHANGELOG.md
index e56a078..e81fa1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 1.2.1 (unreleased)
+
+
+- Nothing changed yet.
+
+
 ## 1.2.0 (2023-09-13)
 
 - Add Spanish translation. @macagua
diff --git a/setup.py b/setup.py
index 2ad4bd0..1dc6b01 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 
 setup(
     name="pas.plugins.authomatic",
-    version="1.2.0",
+    version="1.2.1.dev0",
     description="Provides OAuth2/OpenID login for Plone using Authomatic.",
     long_description=long_description,
     long_description_content_type="text/markdown",