diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml
index 744a317..7329377 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-palmetto/recipes-phosphor/mrw/mrw-native/palmetto.xml.patch.xml
@@ -464,4 +464,10 @@
     <default>PCIE_CARD</default>
 </attribute>
 
+<!-- new parser requires FABRIC_GROUP_ID, though it's unused by the BMC -->
+<attribute type="replace" xpath="targetInstance[id='proc_socket-0']/attribute[id='FABRIC_NODE_ID']">
+    <id>FABRIC_GROUP_ID</id>
+    <default>0</default>
+</attribute>
+
 </patches>
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf
index e3fcad8..bedb6df 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/conf/machine/witherspoon.conf
@@ -13,4 +13,4 @@
 require conf/machine/include/p9.inc
 
 PHOSPHOR_MRW_URI = "git://github.com/open-power/witherspoon-xml"
-PHOSPHOR_MRW_REV = "657550f28ebd09854a93c299a5a5aff182375a66"
+PHOSPHOR_MRW_REV = "563eedce60d3fae2d2152425bed7e71ab1bc349d"