diff --git a/Changes b/Changes
index 7a13621680..557ff26b38 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,13 @@
+# 9.0.0-a3
+
+#### IECore
+
+- Added SceneInterface::hash() method.
+- Improved ConfigLoader.
+	- Now executes files within the same directory in alphabetical order.
+	- Added subdirectory argument.
+	- Env var accepted in place of search path.
+
 # 9.0.0-a2
 
 #### IECore
diff --git a/SConstruct b/SConstruct
index c4ebf06444..c17edb14a8 100644
--- a/SConstruct
+++ b/SConstruct
@@ -53,7 +53,7 @@ SConsignFile()
 ieCoreMajorVersion=9
 ieCoreMinorVersion=0
 ieCorePatchVersion=0
-ieCoreVersionSuffix="a2"	# used for alpha/beta releases. Example: "a1", "b2", etc.
+ieCoreVersionSuffix="a3"	# used for alpha/beta releases. Example: "a1", "b2", etc.
 
 ###########################################################################################
 # Command line options