diff --git a/HISTORY.rst b/HISTORY.rst
index 81d120aa..aeff9468 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,11 @@
 Release History
 ---------------
 
+2.3.1 (?)
++++++++++
+
+- Allow copying of PreparedRequests without headers/cookies
+
 2.3.0 (2014-05-16)
 ++++++++++++++++++