diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0995378a..d8ca1e43 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,7 +1,7 @@
 sc_usb_audio Change Log
 =======================
 
-6.5.1
+6.6.0
 -----
 
     * see sw_usb_audio for changelog
diff --git a/xpd.xml b/xpd.xml
index 0154a349..c7ba5be1 100644
--- a/xpd.xml
+++ b/xpd.xml
@@ -61,7 +61,7 @@
     <release parenthash = "16149f4746d69fdc7b811f4fc36bcea310d5375b" version = "6.5.1rc1" githash = "ed6bb50d26c3b588fa14ab4aac15a5204527954c"></release>
     <release parenthash = "ba1d9ffac27c667cae836824dee94d98bd5c6496" version = "6.5.1rc2" githash = "2bd20a2097ffdd029148cc3fd53cc05d6fcadc94"></release>
     <release parenthash = "6a3ec894175598c0efd7827590963bd63b0fd738" version = "6.5.1rc3" githash = "4044db7a28f55da1c7997c9994c08f7100f41091"></release>
-    <release parenthash = "2fe1d3cbf25c7cedf614d8cb84d4ce60cc6fda10" version = "6.5.1rc4"></release>
+    <release parenthash = "2fe1d3cbf25c7cedf614d8cb84d4ce60cc6fda10" version = "6.5.1rc4" githash = "92918706a3c2212335bd8d34b5b8c905884bf6f1"></release>
     <subpartnumber>XM-004720-SM</subpartnumber>
     <vendor>XMOS</vendor>
     <version_defines>