diff --git a/docs/GamUpdates.md b/docs/GamUpdates.md
index eff4a4bd..d2e565a2 100644
--- a/docs/GamUpdates.md
+++ b/docs/GamUpdates.md
@@ -10,6 +10,10 @@ Add the `-s` option to the end of the above commands to suppress creating the `g
 
 See [Downloads](https://github.com/taers232c/GAMADV-XTD3/wiki/Downloads) for Windows or other options, including manual installation.
 
+### 6.61.15
+
+Added option `contentrestrictions ownerrestricted [<Boolean>]` to `<DriveFileAttribute>`.
+
 ### 6.61.14
 
 Added `aggregatebyuser [Boolean]` option to `gam report user` to allow data aggregation for users across multiple dates.
diff --git a/docs/Users-Drive-Files-Display.md b/docs/Users-Drive-Files-Display.md
index 79bf09d1..d7b631cf 100644
--- a/docs/Users-Drive-Files-Display.md
+++ b/docs/Users-Drive-Files-Display.md
@@ -118,6 +118,14 @@
         cantrashchildren|
         canuntrash
 
+<DriveContentRestrictionsSubfieldName> ::=
+        ownerrestricted|
+        readonly|
+        reason|
+        restrictinguser|
+        restrictiontime|
+        type
+
 <DriveLabelInfoSubfieldName> ::=
         labels.id|              # modifiedByMe
         labels.revisionid|      # copyRequiresWriterPermission
diff --git a/docs/Users-Drive-Files-Manage.md b/docs/Users-Drive-Files-Manage.md
index 762ef576..8779324a 100644
--- a/docs/Users-Drive-Files-Manage.md
+++ b/docs/Users-Drive-Files-Manage.md
@@ -108,8 +108,7 @@
 ```
 ```
 <DriveFileAttribute> ::=
-        (contentrestrictions readonly false)|
-        (contentrestrictions readonly true [reason <String>])|
+        (contentrestrictions (readonly false)|(readonly true [reason <String>]) [ownerrestricted [<Boolean>]])|
         (copyrequireswriterpermission [<Boolean>])|
         (description <String>)|
         (folderColorRgb <ColorValue>)|
diff --git a/src/GamCommands.txt b/src/GamCommands.txt
index d98703a5..e425b02d 100644
--- a/src/GamCommands.txt
+++ b/src/GamCommands.txt
@@ -5833,6 +5833,7 @@ gam <UserTypeEntity> show datastudiopermissions
         <FileSelector> | <CSVFileSelector> | <CSVkmdSelector> | <CSVSubkeySelector> | <CSVDataSelector>)
 
 <DriveFileAttribute> ::=
+        (contentrestrictions ownerrestricted [<Boolean>])|
         (contentrestrictions readonly false)|
         (contentrestrictions readonly true [reason <String>])|
         (copyrequireswriterpermission [<Boolean>])|
@@ -5905,6 +5906,7 @@ gam <UserTypeEntity> update drivefile <DriveFileEntity> [copy] [returnidonly|ret
         [charset <CharSet>] [columndelimiter <Character>]
 
 <DriveFileCopyAttribute> ::=
+        (contentrestrictions ownerrestricted [<Boolean>])|
         (contentrestrictions readonly false)|
         (contentrestrictions readonly true [reason <String>])|
         (copyrequireswriterpermission [<Boolean>])|
@@ -6249,6 +6251,7 @@ gam <UserTypeEntity> collect orphans
         canuntrash
 
 <DriveContentRestrictionsSubfieldName> ::=
+        ownerrestricted|
         readonly|
         reason|
         restrictinguser|
diff --git a/src/GamUpdate.txt b/src/GamUpdate.txt
index 499cd212..f03a0556 100644
--- a/src/GamUpdate.txt
+++ b/src/GamUpdate.txt
@@ -2,6 +2,10 @@
 
 Merged GAM-Team version
 
+6.61.15
+
+Added option `contentrestrictions ownerrestricted [<Boolean>]` to `<DriveFileAttribute>`.
+
 6.61.14
 
 Added `aggregatebyuser [Boolean]` option to `gam report user` to allow data aggregation for users across multiple dates.