diff --git a/jmef.xsd b/jmef.xsd
index 47517f1..20ce0e7 100644
--- a/jmef.xsd
+++ b/jmef.xsd
@@ -504,6 +504,7 @@
       <xs:enumeration value="ZAF"/> <!-- South Africa -->
       <xs:enumeration value="ZMB"/> <!-- Zambia -->
       <xs:enumeration value="ZWE"/> <!-- Zimbabwe -->
+      <xs:enumeration value="XKX"/> <!-- Kosovo -->
     </xs:restriction>
   </xs:simpleType>
   <xs:simpleType name="languageIso2Type" id="languageIso2Type">
diff --git a/website/source/version-1.0/doc.rst b/website/source/version-1.0/doc.rst
index f6cb34a..e802ef9 100644
--- a/website/source/version-1.0/doc.rst
+++ b/website/source/version-1.0/doc.rst
@@ -703,6 +703,7 @@ Below is the list of supported codes:
 - **JPN** - Japan
 - **KAZ** - Kazakhstan
 - **KEN** - Kenya
+- **XKX** - Kosovo
 - **KGZ** - Kyrgyzstan
 - **KHM** - Cambodia
 - **KIR** - Kiribati