diff --git a/changelog.md b/changelog.md
index fd1358f..c0f65be 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 17th Jan 2023 (V0.7)
+- Update anonymisation flags for ManufacturersModelName and DeviceSerialNumber as per US HIPPA guidance.
+
 ## 23rd July 2022 (V0.6)
 - Update to broaden definition of DIM_PHASE_CYCLE
 - Fix typo in Standard Defined metadata.
diff --git a/specification.MD b/specification.MD
index d6bcb29..3fc5cae 100644
--- a/specification.MD
+++ b/specification.MD
@@ -1,6 +1,6 @@
 # NIfTI MRS format specification
 
-Version 0.6
+Version 0.7
 
 
 # 1 Purpose
@@ -536,7 +536,7 @@ This appendix contains the standard-defined metadata keys. Keys have been groupe
    <td>ManufacturersModelName</td>
    <td>string</td>
    <td>Manufacturer's model name of the device. DICOM (0008,1090).</td>
-   <td>N</td>
+   <td>Y</td>
   </tr>
   <tr>
    <td>DeviceSerialNumber</td>