diff --git a/firmware/protob/types.options b/firmware/protob/types.options
index 477ebb3f66..747eb75a31 100644
--- a/firmware/protob/types.options
+++ b/firmware/protob/types.options
@@ -12,7 +12,7 @@ TxInputType.script_sig			max_size:520
 TxOutputType.address			max_size:35
 TxOutputType.address_n			max_count:8
 
-TxOutputBinType.script_pubkey		max_size:256
+TxOutputBinType.script_pubkey		max_size:520
 
 TransactionType.inputs			max_count:1
 TransactionType.bin_outputs		max_count:1
@@ -23,7 +23,5 @@ TxRequestDetailsType.tx_hash		max_size:32
 TxRequestSerializedType.signature	max_size:80
 TxRequestSerializedType.serialized_tx	max_size:1024
 
-MultisigRedeemScriptType.pubkeys	max_count:5
-MultisigRedeemScriptType.pubkeys	max_size:33
-MultisigRedeemScriptType.signatures	max_count:4
-MultisigRedeemScriptType.signatures	max_size:80
+MultisigRedeemScriptType.pubkeys	max_count:5 max_size:65
+MultisigRedeemScriptType.signatures	max_count:4 max_size:80
diff --git a/firmware/protob/types.pb.h b/firmware/protob/types.pb.h
index fb674eadff..2f3f016929 100644
--- a/firmware/protob/types.pb.h
+++ b/firmware/protob/types.pb.h
@@ -98,7 +98,7 @@ typedef struct _HDNodeType {
 
 typedef struct {
     size_t size;
-    uint8_t bytes[33];
+    uint8_t bytes[65];
 } MultisigRedeemScriptType_pubkeys_t;
 
 typedef struct {
@@ -115,7 +115,7 @@ typedef struct _MultisigRedeemScriptType {
 
 typedef struct {
     size_t size;
-    uint8_t bytes[256];
+    uint8_t bytes[520];
 } TxOutputBinType_script_pubkey_t;
 
 typedef struct _TxOutputBinType {
@@ -272,11 +272,11 @@ extern const pb_field_t TxRequestSerializedType_fields[4];
 /* Maximum encoded size of messages (where known) */
 #define HDNodeType_size                          121
 #define CoinType_size                            47
-#define MultisigRedeemScriptType_size            503
-#define TxInputType_size                         1129
+#define MultisigRedeemScriptType_size            663
+#define TxInputType_size                         1289
 #define TxOutputType_size                        102
-#define TxOutputBinType_size                     270
-#define TransactionType_size                     1533
+#define TxOutputBinType_size                     534
+#define TransactionType_size                     1957
 #define TxRequestDetailsType_size                40
 #define TxRequestSerializedType_size             1115