diff --git a/SessionMessagingKit/Protos/Generated/SNProto.swift b/SessionMessagingKit/Protos/Generated/SNProto.swift
index 2f12ea13c..1e7f6091f 100644
--- a/SessionMessagingKit/Protos/Generated/SNProto.swift
+++ b/SessionMessagingKit/Protos/Generated/SNProto.swift
@@ -697,7 +697,7 @@ extension SNProtoMessageRequestResponse.SNProtoMessageRequestResponseBuilder {
             proto.expirationTimer = valueParam
         }
 
-        @objc public func setLastDisappearingMessageChangeTimestamp(_ valueParam: UInt32) {
+        @objc public func setLastDisappearingMessageChangeTimestamp(_ valueParam: UInt64) {
             proto.lastDisappearingMessageChangeTimestamp = valueParam
         }
 
@@ -742,7 +742,7 @@ extension SNProtoMessageRequestResponse.SNProtoMessageRequestResponseBuilder {
         return proto.hasExpirationTimer
     }
 
-    @objc public var lastDisappearingMessageChangeTimestamp: UInt32 {
+    @objc public var lastDisappearingMessageChangeTimestamp: UInt64 {
         return proto.lastDisappearingMessageChangeTimestamp
     }
     @objc public var hasLastDisappearingMessageChangeTimestamp: Bool {
diff --git a/SessionMessagingKit/Protos/Generated/SessionProtos.pb.swift b/SessionMessagingKit/Protos/Generated/SessionProtos.pb.swift
index 61286d58e..b131e35e4 100644
--- a/SessionMessagingKit/Protos/Generated/SessionProtos.pb.swift
+++ b/SessionMessagingKit/Protos/Generated/SessionProtos.pb.swift
@@ -366,7 +366,7 @@ struct SessionProtos_Content {
   /// Clears the value of `expirationTimer`. Subsequent reads from it will return its default value.
   mutating func clearExpirationTimer() {_uniqueStorage()._expirationTimer = nil}
 
-  var lastDisappearingMessageChangeTimestamp: UInt32 {
+  var lastDisappearingMessageChangeTimestamp: UInt64 {
     get {return _storage._lastDisappearingMessageChangeTimestamp ?? 0}
     set {_uniqueStorage()._lastDisappearingMessageChangeTimestamp = newValue}
   }
@@ -1994,7 +1994,7 @@ extension SessionProtos_Content: SwiftProtobuf.Message, SwiftProtobuf._MessageIm
     var _messageRequestResponse: SessionProtos_MessageRequestResponse? = nil
     var _expirationType: SessionProtos_Content.ExpirationType? = nil
     var _expirationTimer: UInt32? = nil
-    var _lastDisappearingMessageChangeTimestamp: UInt32? = nil
+    var _lastDisappearingMessageChangeTimestamp: UInt64? = nil
 
     static let defaultInstance = _StorageClass()
 
@@ -2054,7 +2054,7 @@ extension SessionProtos_Content: SwiftProtobuf.Message, SwiftProtobuf._MessageIm
         case 10: try { try decoder.decodeSingularMessageField(value: &_storage._messageRequestResponse) }()
         case 11: try { try decoder.decodeSingularEnumField(value: &_storage._expirationType) }()
         case 12: try { try decoder.decodeSingularUInt32Field(value: &_storage._expirationTimer) }()
-        case 13: try { try decoder.decodeSingularUInt32Field(value: &_storage._lastDisappearingMessageChangeTimestamp) }()
+        case 13: try { try decoder.decodeSingularUInt64Field(value: &_storage._lastDisappearingMessageChangeTimestamp) }()
         default: break
         }
       }
@@ -2094,7 +2094,7 @@ extension SessionProtos_Content: SwiftProtobuf.Message, SwiftProtobuf._MessageIm
         try visitor.visitSingularUInt32Field(value: v, fieldNumber: 12)
       }
       if let v = _storage._lastDisappearingMessageChangeTimestamp {
-        try visitor.visitSingularUInt32Field(value: v, fieldNumber: 13)
+        try visitor.visitSingularUInt64Field(value: v, fieldNumber: 13)
       }
     }
     try unknownFields.traverse(visitor: &visitor)
diff --git a/SessionMessagingKit/Protos/SessionProtos.proto b/SessionMessagingKit/Protos/SessionProtos.proto
index 3ee5f2375..b88c58268 100644
--- a/SessionMessagingKit/Protos/SessionProtos.proto
+++ b/SessionMessagingKit/Protos/SessionProtos.proto
@@ -65,7 +65,7 @@ message Content {
   optional MessageRequestResponse     messageRequestResponse                 = 10;
   optional ExpirationType             expirationType                         = 11;
   optional uint32                     expirationTimer                        = 12;
-  optional uint32                     lastDisappearingMessageChangeTimestamp = 13;
+  optional uint64                     lastDisappearingMessageChangeTimestamp = 13;
 }
 
 message CallMessage {