diff --git a/packages/at_commons/lib/src/verb/syntax.dart b/packages/at_commons/lib/src/verb/syntax.dart
index cc98b35c..89fdae55 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>(?:(request|approve|deny|revoke|list|fetch|delete)))(:(?<force>force))?(?::)?((?<enrollParams>.+)|(<=list:)<enrollParams>.?)?$';
+      r'^enroll:(?<operation>(?:(request|approve|deny|revoke|list|fetch|unrevoke|delete)))(:(?<force>force))?(?::)?((?<enrollParams>.+)|(<=list:)<enrollParams>.?)?$';
   static const otp =
       r'^otp:(?<operation>get|put)(:(?<otp>(?<=put:)\w{6,}))?(:(?:ttl:(?<ttl>\d+)))?$';
   static const keys = r'^keys:((?<operation>put|get|delete):?)'
diff --git a/packages/at_commons/test/enroll_verb_builder_test.dart b/packages/at_commons/test/enroll_verb_builder_test.dart
index 2132b899..51a9a216 100644
--- a/packages/at_commons/test/enroll_verb_builder_test.dart
+++ b/packages/at_commons/test/enroll_verb_builder_test.dart
@@ -98,5 +98,13 @@ void main() {
       expect(enrollVerbBuilder.buildCommand(),
           'enroll:unrevoke:{"enrollmentId":"123"}\n');
     });
+
+    test('A test to validate enroll delete command', () {
+      EnrollVerbBuilder enrollVerbBuilder = EnrollVerbBuilder()
+        ..operation = EnrollOperationEnum.delete
+        ..enrollmentId = '4785';
+      expect(enrollVerbBuilder.buildCommand(),
+          'enroll:delete:{"enrollmentId":"4785"}\n');
+    });
   });
 }
diff --git a/packages/at_commons/test/syntax_test.dart b/packages/at_commons/test/syntax_test.dart
index 2bda5fa7..999c12e0 100644
--- a/packages/at_commons/test/syntax_test.dart
+++ b/packages/at_commons/test/syntax_test.dart
@@ -312,6 +312,15 @@ void main() {
               e is InvalidSyntaxException &&
               e.message == 'command does not match the regex')));
     });
+
+    test('A test to validate enroll delete command', () {
+      String command = 'enroll:delete:{"enrollmentId":"4567"}\n';
+      var enrollVerbParams =
+          VerbUtil.getVerbParam(VerbSyntax.enroll, command.trim());
+      expect(enrollVerbParams!['operation'], 'delete');
+      var enrollmentInfo = jsonDecode(enrollVerbParams['enrollParams']!);
+      expect(enrollmentInfo['enrollmentId'], '4567');
+    });
   });
 
   group('A group of tests related to otp verb', () {