diff --git a/src/Socket/messages-recv.ts b/src/Socket/messages-recv.ts
index 50e1644..e9c4cfa 100644
--- a/src/Socket/messages-recv.ts
+++ b/src/Socket/messages-recv.ts
@@ -299,6 +299,22 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 		case 'invite':
 			msg.messageStubType = WAMessageStubType.GROUP_CHANGE_INVITE_LINK
 			msg.messageStubParameters = [ child.attrs.code ]
+			break
+		case 'member_add_mode':
+			const addMode = child.content
+			if(addMode) {
+				msg.messageStubType = WAMessageStubType.GROUP_MEMBER_ADD_MODE
+				msg.messageStubParameters = [ addMode.toString() ]
+			}
+
+			break
+		case 'membership_approval_mode':
+			const approvalMode: any = getBinaryNodeChild(child, 'group_join')
+			if(approvalMode) {
+				msg.messageStubType = WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_MODE
+				msg.messageStubParameters = [ approvalMode.attrs.state ]
+			}
+
 			break
 		}
 	}
diff --git a/src/Types/GroupMetadata.ts b/src/Types/GroupMetadata.ts
index bcb8f4a..d5b870c 100644
--- a/src/Types/GroupMetadata.ts
+++ b/src/Types/GroupMetadata.ts
@@ -34,6 +34,8 @@ export interface GroupMetadata {
     inviteCode?: string
     /** the person who added you */
     author?: string
+    /** if approval is needed to join the group */
+    joinApprovalMode?: boolean
 }
 
 
diff --git a/src/Utils/process-message.ts b/src/Utils/process-message.ts
index b666fbf..1d2ecf5 100644
--- a/src/Utils/process-message.ts
+++ b/src/Utils/process-message.ts
@@ -349,6 +349,14 @@ const processMessage = async(
 			const code = message.messageStubParameters?.[0]
 			emitGroupUpdate({ inviteCode: code })
 			break
+		case WAMessageStubType.GROUP_MEMBER_ADD_MODE:
+			const memberAddValue = message.messageStubParameters?.[0]
+			emitGroupUpdate({ memberAddMode: memberAddValue === 'all_member_add' })
+			break
+		case WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_MODE:
+			const approvalMode = message.messageStubParameters?.[0]
+			emitGroupUpdate({ joinApprovalMode: approvalMode === 'on' })
+			break
 		}
 	} else if(content?.pollUpdateMessage) {
 		const creationMsgKey = content.pollUpdateMessage.pollCreationMessageKey!