diff --git a/packages/at_commons/CHANGELOG.md b/packages/at_commons/CHANGELOG.md
index f468736a..2b70e3cb 100644
--- a/packages/at_commons/CHANGELOG.md
+++ b/packages/at_commons/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 3.0.56
+- feat: Introduce "AtInvalidEnrollmentException" which is thrown when an enrollment is expired or invalid
+- feat: Introduce error code 'AT0030' for Invalid Enrollment Status
 ## 3.0.55
 - feat: Introduce "AtThrottleLimitExceeded" exception which is thrown when enrollment request exceeds the limit
 - feat: Introduce new error codes for apkam enrollments 
diff --git a/packages/at_commons/lib/src/exception/at_exceptions.dart b/packages/at_commons/lib/src/exception/at_exceptions.dart
index f3fb2b22..3ab37819 100644
--- a/packages/at_commons/lib/src/exception/at_exceptions.dart
+++ b/packages/at_commons/lib/src/exception/at_exceptions.dart
@@ -213,6 +213,11 @@ class AtEnrollmentException extends AtException {
   AtEnrollmentException(message) : super(message);
 }
 
+/// Exception thrown when an Enrollment_id is expired or invalid
+class AtInvalidEnrollmentException extends AtException {
+  AtInvalidEnrollmentException(message) : super(message);
+}
+
 /// Exception thrown when the enrollment requests exceed the limit
 /// in the given time window
 class AtThrottleLimitExceeded extends AtException {
diff --git a/packages/at_commons/lib/src/exception/error_message.dart b/packages/at_commons/lib/src/exception/error_message.dart
index ae41ffd5..1679e577 100644
--- a/packages/at_commons/lib/src/exception/error_message.dart
+++ b/packages/at_commons/lib/src/exception/error_message.dart
@@ -21,7 +21,8 @@ const Map error_codes = {
   'IllegalArgumentException': 'AT0022',
   'AtTimeoutException': 'AT0023',
   'ServerIsPausedException': 'AT0024',
-  'AtThrottleLimitException': 'AT0028'
+  'AtThrottleLimitException': 'AT0028',
+  'AtInvalidEnrollmentException': 'AT0029',
 };
 
 // ignore: constant_identifier_names
@@ -50,6 +51,7 @@ const Map error_description = {
   'AT0025': 'Apkam Auth Denied',
   'AT0026': 'Apkam Auth Failed',
   'AT0027': 'Apkam Access Revoked',
-  'AT0028': 'Apkam Enrollment Expired',
-  'AT0029': 'Too Many Requests'
+  'AT0028': 'Too Many Requests',
+  'AT0029': 'Apkam Enrollment Expired',
+  'AT0030': 'Invalid Enrollment Status'
 };
diff --git a/packages/at_commons/lib/src/verb/operation_enum.dart b/packages/at_commons/lib/src/verb/operation_enum.dart
index 0b7c4b7f..e993979c 100644
--- a/packages/at_commons/lib/src/verb/operation_enum.dart
+++ b/packages/at_commons/lib/src/verb/operation_enum.dart
@@ -17,7 +17,7 @@ enum MessageTypeEnum { key, text }
 String getMessageType(MessageTypeEnum? messageTypeEnum) =>
     '$messageTypeEnum'.split('.').last;
 
-enum EnrollOperationEnum { request, approve, deny, revoke, list }
+enum EnrollOperationEnum { request, approve, deny, revoke, list, update }
 
 String getEnrollOperation(EnrollOperationEnum? enrollOperationEnum) =>
     '$enrollOperationEnum'.split('.').last;
diff --git a/packages/at_commons/lib/src/verb/syntax.dart b/packages/at_commons/lib/src/verb/syntax.dart
index b2781853..780816c8 100644
--- a/packages/at_commons/lib/src/verb/syntax.dart
+++ b/packages/at_commons/lib/src/verb/syntax.dart
@@ -128,7 +128,7 @@ class VerbSyntax {
   static const notifyRemove = r'notify:remove:(?<id>[\w\d\-\_]+)';
   static const enroll =
       // The non-capturing group (?::)? matches ":" if the operation is request|approve|deny|revoke
-      r'^enroll:(?<operation>(?:list$|(request|approve|deny|revoke)))(?::)?(?<enrollParams>.+)?$';
+      r'^enroll:(?<operation>(?:list$|(request|approve|deny|revoke|update)))(?::)?(?<enrollParams>.+)?$';
   static const otp = r'^otp:(?<operation>get|validate)(:(?<otp>\w+))?$';
   static const keys = r'^keys:((?<operation>put|get|delete):?)'
       r'(?:(?<visibility>public|private|self):?)?'
diff --git a/packages/at_commons/pubspec.yaml b/packages/at_commons/pubspec.yaml
index 56c54f5b..8582feea 100644
--- a/packages/at_commons/pubspec.yaml
+++ b/packages/at_commons/pubspec.yaml
@@ -1,6 +1,6 @@
 name: at_commons
 description: A library of Dart and Flutter utility classes that are used across other components of the atPlatform.
-version: 3.0.55
+version: 3.0.56
 repository: https://github.com/atsign-foundation/at_libraries
 homepage: https://atsign.dev