diff --git a/NEWS b/NEWS
index b9f4895..1c1fbaa 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+1.6.4: February ??, 2009
+ * 
+
 1.6.3: February 11, 2009
  * Introduced cache-busting code to make pages update more reliably after a
    new release.
diff --git a/config/Version.py b/config/Version.py
index 3d328e5..642db86 100644
--- a/config/Version.py
+++ b/config/Version.py
@@ -1 +1 @@
-VERSION = u"1.6.3"
+VERSION = u"1.6.4"