diff --git a/CHANGES.rst b/CHANGES.rst
index 27b3ad7d..26c18624 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@ Changelog
 =========
 
 
+2.8.4 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.8.3 (2024-11-28)
 ------------------
 
diff --git a/setup.py b/setup.py
index 49a24a06..d6ebe4fb 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 setup(
     name="redturtle.prenotazioni",
-    version="2.8.3",
+    version="2.8.4.dev0",
     description="An add-on for Plone",
     long_description=long_description,
     # Get more from https://pypi.python.org/pypi?%3Aaction=list_classifiers