diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 72ab0b0f..7921a414 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,7 +1,7 @@
 sc_usb_audio Change Log
 =======================
 
-6.3.3
+6.4.0
 -----
 
     * see sw_usb_audio for changelog
diff --git a/xpd.xml b/xpd.xml
index e26973cf..b69e14b3 100644
--- a/xpd.xml
+++ b/xpd.xml
@@ -42,7 +42,7 @@
     <release parenthash = "055f05bfab5a4c31a7a32fc9a9acade5b747888c" version = "6.3.3alpha2" githash = "e4fd029d3de7bb3c33f80b6ffd94004d9a49d6a8"></release>
     <release parenthash = "6dffaa379b87011dd364aaaebbcf58f08e156fe1" version = "6.3.3alpha3" githash = "2b536a00da240d713f77114da393e6baa2857521"></release>
     <release parenthash = "62fc22ffc5ca39a5917277fcb97b8d3b7f05b311" version = "6.3.3alpha4" githash = "4c4cf162049902f3e532eaae88d48eff196981a2"></release>
-    <release parenthash = "b2660cf04e4705b99d027061d7576afc03d7124c" version = "6.3.3alpha5"></release>
+    <release parenthash = "b2660cf04e4705b99d027061d7576afc03d7124c" version = "6.3.3alpha5" githash = "104c70b4021d9176f8d1ff7b27741efa63f0ca7d"></release>
     <subpartnumber>XM-004720-SM</subpartnumber>
     <vendor>XMOS</vendor>
     <version_defines>