diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4385d9e8..1620144c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [0.29.6] 22nd May 2024
+- feat: hide _makeNewSenderKey and expose a new preShareKey function (td)
+
 ## [0.29.5] 22nd May 2024
 - feat: make voip key generator public (td)
 
diff --git a/lib/src/voip/backend/livekit_backend.dart b/lib/src/voip/backend/livekit_backend.dart
index 25bd0d25..87238c31 100644
--- a/lib/src/voip/backend/livekit_backend.dart
+++ b/lib/src/voip/backend/livekit_backend.dart
@@ -52,11 +52,16 @@ class LiveKitBackend extends CallBackend {
     return newIndex;
   }
 
+  Future<void> preShareKey(GroupCallSession groupCall) async {
+    await groupCall.onMemberStateChanged();
+    await _makeNewSenderKey(groupCall, false);
+  }
+
   /// makes a new e2ee key for local user and sets it with a delay if specified
   /// used on first join and when someone leaves
   ///
   /// also does the sending for you
-  Future<void> makeNewSenderKey(
+  Future<void> _makeNewSenderKey(
       GroupCallSession groupCall, bool delayBeforeUsingKeyOurself) async {
     final key = secureRandomBytes(32);
     final keyIndex = _getNewEncryptionKeyIndex();
@@ -87,7 +92,7 @@ class LiveKitBackend extends CallBackend {
     final myKeys = _encryptionKeysMap[groupCall.localParticipant];
 
     if (myKeys == null || myKeys.isEmpty) {
-      await makeNewSenderKey(groupCall, false);
+      await _makeNewSenderKey(groupCall, false);
       return;
     }
 
@@ -186,7 +191,7 @@ class LiveKitBackend extends CallBackend {
     if (myKeys == null || myLatestKey == null) {
       Logs().w(
           '[VOIP E2EE] _sendEncryptionKeysEvent Tried to send encryption keys event but no keys found!');
-      await makeNewSenderKey(groupCall, false);
+      await _makeNewSenderKey(groupCall, false);
       await _sendEncryptionKeysEvent(
         groupCall,
         keyIndex,
@@ -392,7 +397,7 @@ class LiveKitBackend extends CallBackend {
     if (groupCall.voip.enableSFUE2EEKeyRatcheting) {
       await _ratchetLocalParticipantKey(groupCall, anyJoined);
     } else {
-      await makeNewSenderKey(groupCall, true);
+      await _makeNewSenderKey(groupCall, true);
     }
   }
 
@@ -409,7 +414,7 @@ class LiveKitBackend extends CallBackend {
     }
     _memberLeaveEncKeyRotateDebounceTimer =
         Timer(CallTimeouts.makeKeyDelay, () async {
-      await makeNewSenderKey(groupCall, true);
+      await _makeNewSenderKey(groupCall, true);
     });
   }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 51dca7d1..3cf53a61 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: matrix
 description: Matrix Dart SDK
-version: 0.29.5
+version: 0.29.6
 homepage: https://famedly.com
 repository: https://github.com/famedly/matrix-dart-sdk.git
 issue_tracker: https://github.com/famedly/matrix-dart-sdk/issues