diff --git a/pkg/libsignalgo/libsignal b/pkg/libsignalgo/libsignal
index e13e3de8..b86d58e8 160000
--- a/pkg/libsignalgo/libsignal
+++ b/pkg/libsignalgo/libsignal
@@ -1 +1 @@
-Subproject commit e13e3de8b25c8204b9bb5f04cc50dd12e7f40fc3
+Subproject commit b86d58e8d61e2d6f1687bfd30bd143e3eeeaaf6f
diff --git a/pkg/libsignalgo/libsignal-ffi.h b/pkg/libsignalgo/libsignal-ffi.h
index 0e5e893d..0292867c 100644
--- a/pkg/libsignalgo/libsignal-ffi.h
+++ b/pkg/libsignalgo/libsignal-ffi.h
@@ -196,6 +196,7 @@ typedef enum {
   SignalErrorCodeSvrRestoreFailed = 151,
   SignalErrorCodeAppExpired = 160,
   SignalErrorCodeDeviceDeregistered = 161,
+  SignalErrorCodeBackupValidation = 170,
 } SignalErrorCode;
 
 /**
@@ -376,6 +377,8 @@ typedef struct {
   SignalOwnedBufferOfusize lengths;
 } SignalBytestringArray;
 
+typedef SignalBytestringArray SignalStringArray;
+
 typedef struct {
   const unsigned char *base;
   size_t length;
@@ -660,8 +663,6 @@ typedef struct {
 
 typedef SignalFfiChatListenerStruct SignalFfiMakeChatListenerStruct;
 
-typedef SignalBytestringArray SignalStringArray;
-
 typedef int (*SignalRead)(void *ctx, uint8_t *buf, size_t buf_len, size_t *amount_read);
 
 typedef int (*SignalSkip)(void *ctx, uint64_t amount);
@@ -760,6 +761,8 @@ SignalFfiError *signal_error_get_retry_after_seconds(const SignalFfiError *err,
 
 SignalFfiError *signal_error_get_tries_remaining(const SignalFfiError *err, uint32_t *out);
 
+SignalFfiError *signal_error_get_unknown_fields(const SignalFfiError *err, SignalStringArray *out);
+
 void signal_error_free(SignalFfiError *err);
 
 SignalFfiError *signal_identitykeypair_deserialize(SignalPrivateKey **private_key, SignalPublicKey **public_key, SignalBorrowedBuffer input);
@@ -1524,6 +1527,8 @@ SignalFfiError *signal_create_otp_from_base64(const char **out, const char *user
 
 SignalFfiError *signal_svr3_backup(SignalCPromiseOwnedBufferOfc_uchar *promise, const SignalTokioAsyncContext *async_runtime, const SignalConnectionManager *connection_manager, SignalBorrowedBuffer secret, const char *password, uint32_t max_tries, const char *username, const char *enclave_password);
 
+SignalFfiError *signal_svr3_migrate(SignalCPromiseOwnedBufferOfc_uchar *promise, const SignalTokioAsyncContext *async_runtime, const SignalConnectionManager *connection_manager, SignalBorrowedBuffer secret, const char *password, uint32_t max_tries, const char *username, const char *enclave_password);
+
 SignalFfiError *signal_svr3_restore(SignalCPromiseOwnedBufferOfc_uchar *promise, const SignalTokioAsyncContext *async_runtime, const SignalConnectionManager *connection_manager, const char *password, SignalBorrowedBuffer share_set, const char *username, const char *enclave_password);
 
 SignalFfiError *signal_svr3_remove(SignalCPromisebool *promise, const SignalTokioAsyncContext *async_runtime, const SignalConnectionManager *connection_manager, const char *username, const char *enclave_password);
@@ -1560,7 +1565,7 @@ SignalFfiError *signal_http_request_new_without_body(SignalHttpRequest **out, co
 
 SignalFfiError *signal_http_request_add_header(const SignalHttpRequest *request, const char *name, const char *value);
 
-SignalFfiError *signal_chat_service_new(SignalChat **out, const SignalConnectionManager *connection_manager, const char *username, const char *password);
+SignalFfiError *signal_chat_service_new(SignalChat **out, const SignalConnectionManager *connection_manager, const char *username, const char *password, bool receive_stories);
 
 SignalFfiError *signal_chat_service_disconnect(SignalCPromisebool *promise, const SignalTokioAsyncContext *async_runtime, const SignalChat *chat);
 
@@ -1748,6 +1753,8 @@ SignalFfiError *signal_testing_return_string_array(SignalStringArray *out);
 
 SignalFfiError *signal_testing_process_bytestring_array(SignalBytestringArray *out, SignalBorrowedSliceOfBuffers input);
 
+SignalFfiError *signal_testing_input_stream_read_into_zero_length_slice(SignalOwnedBuffer *out, const SignalInputStream *caps_alphabet_input);
+
 SignalFfiError *signal_testing_cdsi_lookup_response_convert(SignalCPromiseFfiCdsiLookupResponse *promise, const SignalTokioAsyncContext *async_runtime);
 
 SignalFfiError *signal_testing_only_completes_by_cancellation(SignalCPromisebool *promise, const SignalTokioAsyncContext *async_runtime);
diff --git a/pkg/libsignalgo/version.go b/pkg/libsignalgo/version.go
index 8191319a..59cbbd7a 100644
--- a/pkg/libsignalgo/version.go
+++ b/pkg/libsignalgo/version.go
@@ -2,4 +2,4 @@
 
 package libsignalgo
 
-const Version = "v0.52.0"
+const Version = "v0.54.0"