diff --git a/CHANGELOG b/CHANGELOG
index 87069709..711d8814 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+6.4.20-rc:
+- Use a single GtkTreeModelFilter instance for displaying tracks
+- Use a single GuiQueueModel instance for displaying tracks
+- Reduce use of database entry index accesses
+- Reduce the size of the track tag
+
 6.4.19:
 - Fix memory corruption when adding new library playlists
 - Use Enter key to accept new library paths
diff --git a/Sconstruct b/Sconstruct
index 659f64a2..44a9bc22 100644
--- a/Sconstruct
+++ b/Sconstruct
@@ -1,7 +1,7 @@
 #!/usr/bin/python
 import os
 
-CONFIG_VERSION = "6.4.19"
+CONFIG_VERSION = "6.4.20-rc"
 
 
 # Set up default environment