diff --git a/docx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd b/docx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd
new file mode 100644
index 0000000..2c6c1dd
--- /dev/null
+++ b/docx/scripts/office/schemas/microsoft/wml-sdtdatahash-2020.xsd
@@ -0,0 +1,4 @@
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:w12="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="w12" namespace="http://schemas.openxmlformats.org/wordprocessingml/2006/main" schemaLocation="../ISO-IEC29500-4_2016/wml.xsd"/>
+  <xsd:attribute name="storeItemChecksum" type="w12:ST_String"/>
+</xsd:schema>
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