diff --git a/ambition_utils/docs/release_notes.rst b/ambition_utils/docs/release_notes.rst
index 16a0b6b..2c625ff 100644
--- a/ambition_utils/docs/release_notes.rst
+++ b/ambition_utils/docs/release_notes.rst
@@ -2,10 +2,14 @@
 Release Notes
 =============
 
-3.1.12
+3.1.13
 ------
 * Fix possible null date comparison in rrule form update logic
 
+3.1.12
+------
+* RRule clones will now retain the next_occurrence of the source.
+
 3.1.11
 ------
 * migration adjustment
diff --git a/ambition_utils/version.py b/ambition_utils/version.py
index 1e6263a..6b2e93c 100644
--- a/ambition_utils/version.py
+++ b/ambition_utils/version.py
@@ -1 +1 @@
-__version__ = '3.1.12'
+__version__ = '3.1.13'