diff --git a/Changes.md b/Changes.md
index 1c9656bc8cc..491d8e4d5ad 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,4 +1,7 @@
-1.2.x.x (relative to 1.2.2.0)
+1.2.x.x (relative to 1.2.3.0)
+=======
+
+1.2.3.0 (relative to 1.2.2.0)
 =======
 
 Features
diff --git a/SConstruct b/SConstruct
index d48178dc66d..766f7c2a6fa 100644
--- a/SConstruct
+++ b/SConstruct
@@ -61,7 +61,7 @@ if locale.getpreferredencoding() != "UTF-8" :
 
 gafferMilestoneVersion = 1 # for announcing major milestones - may contain all of the below
 gafferMajorVersion = 2 # backwards-incompatible changes
-gafferMinorVersion = 2 # new backwards-compatible features
+gafferMinorVersion = 3 # new backwards-compatible features
 gafferPatchVersion = 0 # bug fixes
 gafferVersionSuffix = "" # used for alpha/beta releases : "a1", "b2", etc.