diff --git a/CHANGES b/CHANGES
index 03444aae..80eccfa8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -394,3 +394,6 @@ o merged changes from V_1_1_29_40_POST_ACCEPTANCE:
     - added many private methods
 
 
+Version 1.1.31.0
+----------------
+o YAbstractFamilyMember: added support for garbage collector
diff --git a/VERSION b/VERSION
index fc1ebc6c..b3225014 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.30-2-dev
+1.1.31-0-dev