diff --git a/LibXMTP.podspec b/LibXMTP.podspec
index 22f9947..bca7852 100644
--- a/LibXMTP.podspec
+++ b/LibXMTP.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'LibXMTP'
-  s.version          = '0.5.9-beta1'
+  s.version          = '0.5.9-beta2'
   s.summary          = 'XMTP shared Rust code that powers cross-platform SDKs'
 
   s.homepage         = 'https://github.com/xmtp/libxmtp-swift'
@@ -10,7 +10,7 @@ Pod::Spec.new do |s|
   s.platform         = :ios, '14.0', :macos, '11.0'
   s.swift_version    = '5.3'
 
-  s.source       = { :http => "https://github.com/xmtp/libxmtp/releases/download/swift-bindings-137062e/LibXMTPSwiftFFI.zip", :type => :zip }
+  s.source       = { :http => "https://github.com/xmtp/libxmtp/releases/download/swift-bindings-387d033/LibXMTPSwiftFFI.zip", :type => :zip }
   s.vendored_frameworks = 'LibXMTPSwiftFFI.xcframework'
   s.source_files = 'Sources/LibXMTP/**/*'
 end
diff --git a/Package.swift b/Package.swift
index c86b427..2e8418d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -27,8 +27,8 @@ let package = Package(
         ),
         .binaryTarget(
             name: "LibXMTPSwiftFFI",
-            url: "https://github.com/xmtp/libxmtp/releases/download/swift-bindings-137062e/LibXMTPSwiftFFI.zip",
-            checksum: "57c6338bb1ec576aaeeaf2d1283f4cf4acb90de8605d01176ebc51f5fa1bd9ff"
+            url: "https://github.com/xmtp/libxmtp/releases/download/swift-bindings-387d033/LibXMTPSwiftFFI.zip",
+            checksum: "7cd3d6fc639cf1e68f60fbe56a3ca7d50b32a1c3c43502121619c3f71f4e3777"
         ),
         .testTarget(name: "LibXMTPTests", dependencies: ["LibXMTP"]),
     ]
diff --git a/Sources/LibXMTP/libxmtp-version.txt b/Sources/LibXMTP/libxmtp-version.txt
index 8e2ce39..cb12914 100644
--- a/Sources/LibXMTP/libxmtp-version.txt
+++ b/Sources/LibXMTP/libxmtp-version.txt
@@ -1,3 +1,3 @@
-Version: 137062e8
+Version: 387d0333
 Branch: main
-Date: 2024-10-08 19:58:58 +0000
+Date: 2024-10-10 20:54:05 +0000
diff --git a/Sources/LibXMTP/xmtpv3.swift b/Sources/LibXMTP/xmtpv3.swift
index bfd560b..28d6f87 100644
--- a/Sources/LibXMTP/xmtpv3.swift
+++ b/Sources/LibXMTP/xmtpv3.swift
@@ -2163,6 +2163,14 @@ public protocol FfiXmtpClientProtocol: AnyObject {
      */
     func addWallet(existingWalletAddress: String, newWalletAddress: String) async throws -> FfiSignatureRequest
 
+    /**
+     * * Get the inbox state for each `inbox_id`.
+     *      *
+     *      * If `refresh_from_network` is true, the client will go to the network first to refresh the state.
+     *      * Otherwise, the state will be read from the local database.
+     */
+    func addressesFromInboxId(refreshFromNetwork: Bool, inboxIds: [String]) async throws -> [FfiInboxState]
+
     func applySignatureRequest(signatureRequest: FfiSignatureRequest) async throws
 
     func canMessage(accountAddresses: [String]) async throws -> [String: Bool]
@@ -2274,6 +2282,29 @@ open class FfiXmtpClient:
             )
     }
 
+    /**
+     * * Get the inbox state for each `inbox_id`.
+     *      *
+     *      * If `refresh_from_network` is true, the client will go to the network first to refresh the state.
+     *      * Otherwise, the state will be read from the local database.
+     */
+    open func addressesFromInboxId(refreshFromNetwork: Bool, inboxIds: [String]) async throws -> [FfiInboxState] {
+        return
+            try await uniffiRustCallAsync(
+                rustFutureFunc: {
+                    uniffi_xmtpv3_fn_method_ffixmtpclient_addresses_from_inbox_id(
+                        self.uniffiClonePointer(),
+                        FfiConverterBool.lower(refreshFromNetwork), FfiConverterSequenceString.lower(inboxIds)
+                    )
+                },
+                pollFunc: ffi_xmtpv3_rust_future_poll_rust_buffer,
+                completeFunc: ffi_xmtpv3_rust_future_complete_rust_buffer,
+                freeFunc: ffi_xmtpv3_rust_future_free_rust_buffer,
+                liftFunc: FfiConverterSequenceTypeFfiInboxState.lift,
+                errorHandler: FfiConverterTypeGenericError.lift
+            )
+    }
+
     open func applySignatureRequest(signatureRequest: FfiSignatureRequest) async throws {
         return
             try await uniffiRustCallAsync(
@@ -5132,6 +5163,28 @@ private struct FfiConverterSequenceTypeFfiGroupMember: FfiConverterRustBuffer {
     }
 }
 
+private struct FfiConverterSequenceTypeFfiInboxState: FfiConverterRustBuffer {
+    typealias SwiftType = [FfiInboxState]
+
+    public static func write(_ value: [FfiInboxState], into buf: inout [UInt8]) {
+        let len = Int32(value.count)
+        writeInt(&buf, len)
+        for item in value {
+            FfiConverterTypeFfiInboxState.write(item, into: &buf)
+        }
+    }
+
+    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [FfiInboxState] {
+        let len: Int32 = try readInt(&buf)
+        var seq = [FfiInboxState]()
+        seq.reserveCapacity(Int(len))
+        for _ in 0 ..< len {
+            try seq.append(FfiConverterTypeFfiInboxState.read(from: &buf))
+        }
+        return seq
+    }
+}
+
 private struct FfiConverterSequenceTypeFfiInstallation: FfiConverterRustBuffer {
     typealias SwiftType = [FfiInstallation]
 
@@ -5730,6 +5783,9 @@ private var initializationResult: InitializationResult = {
     if uniffi_xmtpv3_checksum_method_ffixmtpclient_add_wallet() != 23786 {
         return InitializationResult.apiChecksumMismatch
     }
+    if uniffi_xmtpv3_checksum_method_ffixmtpclient_addresses_from_inbox_id() != 29264 {
+        return InitializationResult.apiChecksumMismatch
+    }
     if uniffi_xmtpv3_checksum_method_ffixmtpclient_apply_signature_request() != 32172 {
         return InitializationResult.apiChecksumMismatch
     }