diff --git a/xyz/openbmc_project/Software/Version.interface.yaml b/xyz/openbmc_project/Software/Version.interface.yaml
new file mode 100644
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+++ b/xyz/openbmc_project/Software/Version.interface.yaml
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+description: >
+    Simple definition of a Software or Firmware version.
+properties:
+    - name: Version
+      type: string
+      description: >
+        The version identifier.
+    - name: Purpose
+      type: enum[self.VersionPurpose]
+      description: >
+        The purpose of the version.  As in, what can it be used for or
+        applied to?
+enumerations:
+    - name: VersionPurpose
+      description: >
+        An enumeration of possible purposes of the version.
+      values:
+        - name: Unknown
+          description: >
+            The version is of unknown purpose.
+        - name: Other
+          description: >
+            The version is of some other purpose.
+        - name: System
+          description: >
+            The version is an aggregate for the system as a whole.
+        - name: BMC
+          description: >
+            The version is a version for the BMC.
+        - name: Host
+          description: >
+            The version is a version for a managed host.