@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.59; August 21, 2019">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.58; August 5, 2019">
   <xs:element name="ReleaseSet" type="ReleaseType"/>
   <xs:element name="ClinVarSet" type="PublicSetType">
     <xs:annotation>
@@ -1546,7 +1546,7 @@
     <xs:attribute name="display_start" type="xs:nonNegativeInteger" use="optional"/>
     <xs:attribute name="display_stop" type="xs:positiveInteger" use="optional"/>
     <xs:attribute name="Strand" type="xs:string" use="optional"/>
-    <xs:attribute name="variantLength" type="xs:nonNegativeInteger" use="optional"/>
+    <xs:attribute name="variantLength" type="xs:positiveInteger" use="optional"/>
     <xs:attribute name="referenceAllele" type="xs:string" use="optional"/>
     <xs:attribute name="alternateAllele" type="xs:string" use="optional"/>
     <xs:attribute name="AssemblyAccessionVersion" type="xs:string" use="optional"/>