diff --git a/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/sml.xsd b/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/sml.xsd
new file mode 100644
index 0000000..df861d1
--- /dev/null
+++ b/xlsx/scripts/office/schemas/ISO-IEC29500-4_2016/sml.xsd
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+  xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"
+  xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"
+  xmlns:xdr="http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"
+  xmlns:s="http://schemas.openxmlformats.org/officeDocument/2006/sharedTypes"
+  targetNamespace="http://schemas.openxmlformats.org/spreadsheetml/2006/main"
+  elementFormDefault="qualified">
+  <xsd:import namespace="http://schemas.openxmlformats.org/officeDocument/2006/relationships"
+    schemaLocation="shared-relationshipReference.xsd"/>
+  <xsd:import namespace="http://schemas.openxmlformats.org/officeDocument/2006/sharedTypes"
+    schemaLocation="shared-commonSimpleTypes.xsd"/>
+  <xsd:annotation>
+    <xsd:documentation>SpreadsheetML 2006 Main Schema</xsd:documentation>
+  </xsd:annotation>
+</xsd:schema>
\ No newline at end of file