diff --git a/xlsx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd b/xlsx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd
new file mode 100644
index 0000000..97f3335
--- /dev/null
+++ b/xlsx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" elementFormDefault="qualified" attributeFormDefault="qualified" blockDefault="#all" xmlns="http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash" targetNamespace="http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash">
+ <xsd:import id="w" namespace="http://schemas.openxmlformats.org/wordprocessingml/2006/main" schemaLocation="../ISO-IEC29500-4_2016/wml.xsd"/>
+ <xsd:complexType name="CT_DataHashBlock">
+  <xsd:sequence>
+   <xsd:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
+  </xsd:sequence>
+  <xsd:attribute name="hash" type="xsd:string" use="optional"/>
+  <xsd:attribute name="hashAlgorithm" type="xsd:string" use="optional"/>
+ </xsd:complexType>
+ <xsd:element name="dataHashBlock" type="CT_DataHashBlock"/>
+</xsd:schema>