diff --git a/schema/lib/types/git.xsd b/schema/lib/types/git.xsd
index 099f499..444a913 100644
--- a/schema/lib/types/git.xsd
+++ b/schema/lib/types/git.xsd
@@ -46,7 +46,7 @@
 
   <xs:simpleType name="t_git_uri">
     <xs:restriction base="xs:anyURI">
-      <xs:pattern value="(https?|git|file)://.*"/>
+      <xs:pattern value="(https?|git|file|ssh)://.*"/>
     </xs:restriction>
   </xs:simpleType>
 
diff --git a/schema/lib/types/gomodh.xsd b/schema/lib/types/gomodh.xsd
new file mode 100644
index 0000000..6add19c
--- /dev/null
+++ b/schema/lib/types/gomodh.xsd
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:x="http://www.w3.org/2001/XMLSchema"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified">
+
+  <xs:include schemaLocation="./net.xsd"/>
+  <xs:include schemaLocation="./unix.xsd"/>
+
+  <xs:complexType name="t_gomodh_base">
+    <xs:attribute name="name" type="t_unix_portablePosixFilename" use="required"/>
+    <xs:attribute name="baseUrl" type="t_net_http_basic_uri" use="optional"/>
+  </xs:complexType>
+
+  <xs:complexType name="t_gomodh_pkg">
+    <xs:complexContent>
+      <xs:extension base="t_gomodh_base">
+        <xs:all>
+          <xs:element name="realUrl" type="t_gomodh_vcs_uri"/>
+        </xs:all>
+        <xs:attribute name="vcsType" type="t_gomodh_vcs" use="required"/>
+      </xs:extension>
+    </xs:complexContent>
+  </xs:complexType>
+
+  <xs:complexType name="t_gomodh_mod">
+    <xs:complexContent>
+      <xs:extension base="t_gomodh_base">
+        <xs:all>
+          <xs:element name="realURL" type="t_net_http_basic_uri"/>
+          <xs:element name="releases">
+            <xs:complexType>
+              <xs:sequence minOccurs="1" maxOccurs="unbounded">
+                <xs:element name="release">
+                  <xs:complexType>
+                    <xs:simpleContent>
+                      <xs:extension base="xs:token">
+                        <xs:attribute name="dir" type="t_unix_dirpath" use="optional"/>
+                      </xs:extension>
+                    </xs:simpleContent>
+                  </xs:complexType>
+                </xs:element>
+              </xs:sequence>
+              <xs:attribute name="baseDir" type="t_unix_dirpath" use="required"/>
+            </xs:complexType>
+          </xs:element>
+        </xs:all>
+      </xs:extension>
+    </xs:complexContent>
+  </xs:complexType>
+
+  <!-- VCS are also called SCM. -->
+  <xs:simpleType name="t_gomodh_vcs">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="bzr"/>
+      <xs:enumeration value="fossil"/>
+      <xs:enumeration value="git"/>
+      <xs:enumeration value="hg"/>
+      <xs:enumeration value="svn"/>
+    </xs:restriction>
+  </xs:simpleType>
+
+  <xs:simpleType name="t_gomodh_vcs_uri">
+    <xs:restriction base="xs:anyURI">
+      <!--
+        Some of the weird ones might be BZR.
+        http://doc.bazaar.canonical.com/development/en/user-reference/urlspec-help.html
+      -->
+      <xs:pattern value="(https?|bzr|aftp|bzr\+ssh|file|ftp|sftp|git|ssh|hg)://.+/?"/>
+      <xs:whiteSpace value="collapse"/>
+    </xs:restriction>
+  </xs:simpleType>
+
+</xs:schema>
diff --git a/schema/projects/gomodh.xml b/schema/projects/gomodh.xml
index 926d20c..8163f10 100644
--- a/schema/projects/gomodh.xml
+++ b/schema/projects/gomodh.xml
@@ -7,21 +7,16 @@
            attributeFormDefault="unqualified">
 
   <xs:include schemaLocation="../lib/types/net.xsd"/>
-  <xs:include schemaLocation="../lib/types/unix.xsd"/>
+  <xs:include schemaLocation="../lib/types/gomodh.xsd"/>
 
   <xs:element name="gomodh">
     <xs:complexType>
       <xs:choice minOccurs="1" maxOccurs="unbounded">
-        <xs:element name="mod">
-          <xs:complexType>
-            <xs:attribute name="name" type="t_unix_portablePosixFilename" use="required"/>
-          </xs:complexType>
-        </xs:element>
-        <xs:element name="pkg">
-
-        </xs:element>
+        <xs:element name="mod" type="t_gomodh_mod"/>
+        <xs:element name="pkg" type="t_gomodh_pkg"/>
       </xs:choice>
       <xs:attribute name="baseURL" type="t_net_http_basic_uri" use="required"/>
     </xs:complexType>
   </xs:element>
+
 </xs:schema>