diff --git a/civics_cdf_spec.xsd b/civics_cdf_spec.xsd
index 1d04fc9..9be2245 100644
--- a/civics_cdf_spec.xsd
+++ b/civics_cdf_spec.xsd
@@ -637,7 +637,11 @@
     </xs:complexType>
     <xs:complexType name="PartyContest">
         <xs:complexContent>
-            <xs:extension base="Contest" />
+            <xs:extension base="Contest" >
+                <xs:sequence>
+                    <xs:element minOccurs="0" name="OfficeIds" type="xs:IDREFS" />
+                </xs:sequence>
+            </xs:extension>
         </xs:complexContent>
     </xs:complexType>
     <xs:complexType name="PartyRegistration">
diff --git a/version.py b/version.py
index e03d3c0..dd8ea8c 100644
--- a/version.py
+++ b/version.py
@@ -5,4 +5,4 @@
 See https://packaging.python.org/guides/single-sourcing-package-version/
 """
 
-__version__ = '1.38.dev0'
+__version__ = '1.38.dev1'