diff --git a/src/gam/__init__.py b/src/gam/__init__.py
index 635a2a77..a590b2f3 100755
--- a/src/gam/__init__.py
+++ b/src/gam/__init__.py
@@ -3719,6 +3719,10 @@ def getDriveFileAttribute(i, body, parameters, myarg, update=False):
         body['mimeType'] = MIMETYPE_GA_SHORTCUT
         body['shortcutDetails'] = {'targetId': sys.argv[i+1]}
         i += 2
+    elif myarg == 'securityupdate':
+        body['linkShareMetadata'] = {'securityUpdateEnabled': getBoolean(
+            sys.argv[i+1], f'gam <users> {operation} drivefile'), 'securityUpdateElibible': True}
+        i += 2
     else:
         controlflow.invalid_argument_exit(
             myarg, f"gam <users> {operation} drivefile")
diff --git a/src/gam/var.py b/src/gam/var.py
index bc6db3bb..df45cdd7 100644
--- a/src/gam/var.py
+++ b/src/gam/var.py
@@ -478,6 +478,7 @@ DRIVEFILE_FIELDS_CHOICES_MAP = {
     'lastviewedbymedate': 'lastViewedByMeDate',
     'lastviewedbymetime': 'lastViewedByMeDate',
     'lastviewedbyuser': 'lastViewedByMeDate',
+    'linksharemetadata': 'linkShareMetadata',
     'md5': 'md5Checksum',
     'md5checksum': 'md5Checksum',
     'md5sum': 'md5Checksum',
@@ -496,6 +497,7 @@ DRIVEFILE_FIELDS_CHOICES_MAP = {
     'owners': 'owners',
     'parents': 'parents',
     'permissions': 'permissions',
+    'resourcekey': 'resourceKey',
     'quotabytesused': 'quotaBytesUsed',
     'quotaused': 'quotaBytesUsed',
     'shareable': 'shareable',