diff --git a/firmware/protob/messages.pb.c b/firmware/protob/messages.pb.c
index 94abb6f5f2..870818d398 100644
--- a/firmware/protob/messages.pb.c
+++ b/firmware/protob/messages.pb.c
@@ -11,6 +11,7 @@ const uint32_t ResetDevice_strength_default = 256u;
 const char ResetDevice_language_default[17] = "english";
 const char RecoveryDevice_language_default[17] = "english";
 const char SignMessage_coin_name_default[17] = "Bitcoin";
+const InputScriptType SignMessage_script_type_default = InputScriptType_SPENDADDRESS;
 const char VerifyMessage_coin_name_default[17] = "Bitcoin";
 const char SignTx_coin_name_default[17] = "Bitcoin";
 const uint32_t SignTx_version_default = 1u;
@@ -236,10 +237,11 @@ const pb_field_t WordAck_fields[2] = {
     PB_LAST_FIELD
 };
 
-const pb_field_t SignMessage_fields[4] = {
+const pb_field_t SignMessage_fields[5] = {
     PB_FIELD2(  1, UINT32  , REPEATED, STATIC  , FIRST, SignMessage, address_n, address_n, 0),
     PB_FIELD2(  2, BYTES   , REQUIRED, STATIC  , OTHER, SignMessage, message, address_n, 0),
     PB_FIELD2(  3, STRING  , OPTIONAL, STATIC  , OTHER, SignMessage, coin_name, message, &SignMessage_coin_name_default),
+    PB_FIELD2(  4, ENUM    , OPTIONAL, STATIC  , OTHER, SignMessage, script_type, coin_name, &SignMessage_script_type_default),
     PB_LAST_FIELD
 };
 
diff --git a/firmware/protob/messages.pb.h b/firmware/protob/messages.pb.h
index 26f39ec3af..b6166a5913 100644
--- a/firmware/protob/messages.pb.h
+++ b/firmware/protob/messages.pb.h
@@ -702,6 +702,8 @@ typedef struct _SignMessage {
     SignMessage_message_t message;
     bool has_coin_name;
     char coin_name[17];
+    bool has_script_type;
+    InputScriptType script_type;
 } SignMessage;
 
 typedef struct _SignTx {
@@ -792,6 +794,7 @@ extern const uint32_t ResetDevice_strength_default;
 extern const char ResetDevice_language_default[17];
 extern const char RecoveryDevice_language_default[17];
 extern const char SignMessage_coin_name_default[17];
+extern const InputScriptType SignMessage_script_type_default;
 extern const char VerifyMessage_coin_name_default[17];
 extern const char SignTx_coin_name_default[17];
 extern const uint32_t SignTx_version_default;
@@ -832,7 +835,7 @@ extern const uint32_t SignTx_lock_time_default;
 #define RecoveryDevice_init_default              {false, 0, false, 0, false, 0, false, "english", false, "", false, 0, false, 0, false, 0, false, 0}
 #define WordRequest_init_default                 {false, (WordRequestType)0}
 #define WordAck_init_default                     {""}
-#define SignMessage_init_default                 {0, {0, 0, 0, 0, 0, 0, 0, 0}, {0, {0}}, false, "Bitcoin"}
+#define SignMessage_init_default                 {0, {0, 0, 0, 0, 0, 0, 0, 0}, {0, {0}}, false, "Bitcoin", false, InputScriptType_SPENDADDRESS}
 #define VerifyMessage_init_default               {false, "", false, {0, {0}}, false, {0, {0}}, false, "Bitcoin"}
 #define MessageSignature_init_default            {false, "", false, {0, {0}}}
 #define CipherKeyValue_init_default              {0, {0, 0, 0, 0, 0, 0, 0, 0}, false, "", false, {0, {0}}, false, 0, false, 0, false, 0, false, {0, {0}}}
@@ -894,7 +897,7 @@ extern const uint32_t SignTx_lock_time_default;
 #define RecoveryDevice_init_zero                 {false, 0, false, 0, false, 0, false, "", false, "", false, 0, false, 0, false, 0, false, 0}
 #define WordRequest_init_zero                    {false, (WordRequestType)0}
 #define WordAck_init_zero                        {""}
-#define SignMessage_init_zero                    {0, {0, 0, 0, 0, 0, 0, 0, 0}, {0, {0}}, false, ""}
+#define SignMessage_init_zero                    {0, {0, 0, 0, 0, 0, 0, 0, 0}, {0, {0}}, false, "", false, (InputScriptType)0}
 #define VerifyMessage_init_zero                  {false, "", false, {0, {0}}, false, {0, {0}}, false, ""}
 #define MessageSignature_init_zero               {false, "", false, {0, {0}}}
 #define CipherKeyValue_init_zero                 {0, {0, 0, 0, 0, 0, 0, 0, 0}, false, "", false, {0, {0}}, false, 0, false, 0, false, 0, false, {0, {0}}}
@@ -1068,6 +1071,7 @@ extern const uint32_t SignTx_lock_time_default;
 #define SignMessage_address_n_tag                1
 #define SignMessage_message_tag                  2
 #define SignMessage_coin_name_tag                3
+#define SignMessage_script_type_tag              4
 #define SignTx_outputs_count_tag                 1
 #define SignTx_inputs_count_tag                  2
 #define SignTx_coin_name_tag                     3
@@ -1123,7 +1127,7 @@ extern const pb_field_t EntropyAck_fields[2];
 extern const pb_field_t RecoveryDevice_fields[10];
 extern const pb_field_t WordRequest_fields[2];
 extern const pb_field_t WordAck_fields[2];
-extern const pb_field_t SignMessage_fields[4];
+extern const pb_field_t SignMessage_fields[5];
 extern const pb_field_t VerifyMessage_fields[5];
 extern const pb_field_t MessageSignature_fields[3];
 extern const pb_field_t CipherKeyValue_fields[8];
@@ -1187,7 +1191,7 @@ extern const pb_field_t DebugLinkFlashErase_fields[2];
 #define RecoveryDevice_size                      80
 #define WordRequest_size                         6
 #define WordAck_size                             14
-#define SignMessage_size                         1094
+#define SignMessage_size                         1100
 #define VerifyMessage_size                       1156
 #define MessageSignature_size                    110
 #define CipherKeyValue_size                      1358
diff --git a/vendor/trezor-common b/vendor/trezor-common
index 2eb9c7e352..00900951e0 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit 2eb9c7e352f708506d910f2d5b9aac1e85cafa10
+Subproject commit 00900951e072aaa2d7c48da807bb0032b6b898c1