diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c7251e..4877db6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 
 --------------------------------------------
+[1.2.0] - 2024-04-08
+
+* feat: add keyRingSize/discardFrameWhenCryptorNotReady to KeyProviderOptions.
+
 [1.1.2] - 2023-09-14
 
 * Add more frame cryptor api.
diff --git a/lib/src/frame_cryptor.dart b/lib/src/frame_cryptor.dart
index 4308dd1..6b912d1 100644
--- a/lib/src/frame_cryptor.dart
+++ b/lib/src/frame_cryptor.dart
@@ -16,12 +16,19 @@ class KeyProviderOptions {
     required this.ratchetWindowSize,
     this.uncryptedMagicBytes,
     this.failureTolerance = -1,
+    this.keyRingSize = 16,
+    this.discardFrameWhenCryptorNotReady = false,
   });
   bool sharedKey;
   Uint8List ratchetSalt;
   Uint8List? uncryptedMagicBytes;
   int ratchetWindowSize;
   int failureTolerance;
+
+  /// key ring size should be between 1 and 255
+  /// default is 16
+  int keyRingSize;
+  bool discardFrameWhenCryptorNotReady;
   Map<String, dynamic> toJson() {
     return {
       'sharedKey': sharedKey,
@@ -30,6 +37,8 @@ class KeyProviderOptions {
         'uncryptedMagicBytes': uncryptedMagicBytes,
       'ratchetWindowSize': ratchetWindowSize,
       'failureTolerance': failureTolerance,
+      'keyRingSize': keyRingSize,
+      'discardFrameWhenCryptorNotReady': discardFrameWhenCryptorNotReady,
     };
   }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index e01fe53..95053ba 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: webrtc_interface
 description: WebRTC Interface for Dart-Web/Flutter.
-version: 1.1.2
+version: 1.2.0
 homepage: https://flutter-webrtc.org
 
 environment: