diff --git a/Changes b/Changes
index 04ff288027..69f92ae923 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,9 @@
-10.5.x.x (relative to 10.5.8.0)
+10.5.x.x (relative to 10.5.9.0)
+========
+
+
+
+10.5.9.x (relative to 10.5.8.0)
 ========
 
 Improvements
diff --git a/SConstruct b/SConstruct
index 30376b5802..0bd32acd7b 100644
--- a/SConstruct
+++ b/SConstruct
@@ -56,7 +56,7 @@ SConsignFile()
 
 ieCoreMilestoneVersion = 10 # for announcing major milestones - may contain all of the below
 ieCoreMajorVersion = 5 # backwards-incompatible changes
-ieCoreMinorVersion = 8 # new backwards-compatible features
+ieCoreMinorVersion = 9 # new backwards-compatible features
 ieCorePatchVersion = 0 # bug fixes
 ieCoreVersionSuffix = "" # used for alpha/beta releases. Example: "a1", "b2", etc.