diff --git a/docx/scripts/office/schemas/ecma/fouth-edition/opc-contentTypes.xsd b/docx/scripts/office/schemas/ecma/fouth-edition/opc-contentTypes.xsd
new file mode 100644
index 0000000..676b874
--- /dev/null
+++ b/docx/scripts/office/schemas/ecma/fouth-edition/opc-contentTypes.xsd
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<xs:schema xmlns="http://schemas.openxmlformats.org/package/2006/content-types"
+  xmlns:xs="http://www.w3.org/2001/XMLSchema"
+  targetNamespace="http://schemas.openxmlformats.org/package/2006/content-types"
+  elementFormDefault="qualified" attributeFormDefault="unqualified" blockDefault="#all">
+
+  <xs:element name="Types" type="CT_Types"/>
+  <xs:element name="Default" type="CT_Default"/>
+  <xs:element name="Override" type="CT_Override"/>
+
+  <xs:complexType name="CT_Types">
+    <xs:choice minOccurs="0" maxOccurs="unbounded">
+      <xs:element ref="Default"/>
+      <xs:element ref="Override"/>
+    </xs:choice>
+  </xs:complexType>
+
+  <xs:complexType name="CT_Default">
+    <xs:attribute name="Extension" type="ST_Extension" use="required"/>
+    <xs:attribute name="ContentType" type="ST_ContentType" use="required"/>
+  </xs:complexType>
+
+  <xs:complexType name="CT_Override">
+    <xs:attribute name="ContentType" type="ST_ContentType" use="required"/>
+    <xs:attribute name="PartName" type="xs:anyURI" use="required"/>
+  </xs:complexType>
+
+  <xs:simpleType name="ST_ContentType">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="(((([\p{IsBasicLatin}-[\p{Cc}&#127;\(\)&lt;&gt;@,;:\\&quot;/\[\]\?=\{\}\s\t]])+))/((([\p{IsBasicLatin}-[\p{Cc}&#127;\(\)&lt;&gt;@,;:\\&quot;/\[\]\?=\{\}\s\t]])+))((\s+)*;(\s+)*(((([\p{IsBasicLatin}-[\p{Cc}&#127;\(\)&lt;&gt;@,;:\\&quot;/\[\]\?=\{\}\s\t]])+))=((([\p{IsBasicLatin}-[\p{Cc}&#127;\(\)&lt;&gt;@,;:\\&quot;/\[\]\?=\{\}\s\t]])+)|(&quot;(([\p{IsLatin-1Supplement}\p{IsBasicLatin}-[\p{Cc}&#127;&quot;\n\r]]|(\s+))|(\\[\p{IsBasicLatin}]))*&quot;))))*)" />
+    </xs:restriction>
+  </xs:simpleType>
+
+  <xs:simpleType name="ST_Extension">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="([!$&amp;'\(\)\*\+,:=]|(%[0-9a-fA-F][0-9a-fA-F])|[:@]|[a-zA-Z0-9\-_~])+"/>
+    </xs:restriction>
+  </xs:simpleType>
+</xs:schema>
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