diff --git a/CHANGES b/CHANGES
index ec5141d..c6abdd1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,11 @@
 CHANGELOG
 =========
 
+1.3.4 (unreleased)
+==================
+
+-
+
 1.3.3 (2023-11-13)
 ==================
 
diff --git a/safedelete/__init__.py b/safedelete/__init__.py
index 3c44d76..8928f00 100644
--- a/safedelete/__init__.py
+++ b/safedelete/__init__.py
@@ -22,4 +22,4 @@
     'DELETED_VISIBLE_BY_FIELD',
 ]
 
-__version__ = "1.3.3"
+__version__ = "1.3.4dev"