diff --git a/README.rst b/README.rst
index 0512119f..609e7531 100644
--- a/README.rst
+++ b/README.rst
@@ -1,7 +1,7 @@
 USB Audio Shared
 ................
 
-:Latest release: 6.5.1beta3
+:Latest release: 6.5.1beta4
 :Maintainer: xross
 :Description: USB Audio Shared Components. For use in the XMOS USB Audio Refererence Designs.
 
diff --git a/xpd.xml b/xpd.xml
index 1cf0be36..6efda3f2 100644
--- a/xpd.xml
+++ b/xpd.xml
@@ -54,7 +54,8 @@
     <release parenthash = "64f42250848119c3ffddf41021a1a8edf6ab30f3" version = "6.5.1beta0" githash = "1488353b8d72e4dc0ed1b7975ec7df2460864fd9"></release>
     <release parenthash = "125d4e6eb199947ef868f22c6f4b9b280b69722c" version = "6.5.1beta1" githash = "092569f76b23ea361a311acade971db1235c7e33"></release>
     <release parenthash = "18073920cb2d1d6ca3ea0dfe6e8c65c98acab368" version = "6.5.1beta2" githash = "ae3db9b98d84a2dd2a00ef144e1434602c005fb0"></release>
-    <release parenthash = "8966f5db59939aa6373c85162e868462e9afc3fd" version = "6.5.1beta3"></release>
+    <release parenthash = "8966f5db59939aa6373c85162e868462e9afc3fd" version = "6.5.1beta3" githash = "ff4cd847811d541fd2cd80508a9ecf07047fa6da"></release>
+    <release parenthash = "8f3067dcaaa34bd8fc0d3f64d2894c49b4efe056" version = "6.5.1beta4"></release>
     <subpartnumber>XM-004720-SM</subpartnumber>
     <vendor>XMOS</vendor>
     <version_defines>