diff --git a/cats/cats.py b/cats/cats.py
index bba85cd..9bef4bb 100644
--- a/cats/cats.py
+++ b/cats/cats.py
@@ -24,7 +24,7 @@
 from chia.wallet.transaction_record import TransactionRecord
 from chia.wallet.util.tx_config import DEFAULT_TX_CONFIG
 from chia.wallet.vc_wallet.cr_cat_drivers import ProofsChecker, construct_cr_layer
-from chia.wallet.wallet_request_types import PushTX
+from chia.wallet.wallet_request_types import Addition, CreateSignedTransaction, PushTX
 from chia.wallet.wallet_rpc_client import WalletRpcClient
 from chia.wallet.wallet_spend_bundle import WalletSpendBundle
 from chia_rs import AugSchemeMPL, G2Element
@@ -58,9 +58,8 @@ async def get_signed_tx(
         if wallet_client is None:
             raise ValueError("Error getting wallet client. Make sure wallet is running.")
         signed_tx = await wallet_client.create_signed_transactions(
-            [{"puzzle_hash": ph, "amount": amt}],
-            DEFAULT_TX_CONFIG,
-            fee=fee,  # TODO: no default tx config
+            CreateSignedTransaction(additions=[Addition(amount=amt, puzzle_hash=ph)], fee=fee),
+            tx_config=DEFAULT_TX_CONFIG,
         )
         return signed_tx.signed_tx
 
diff --git a/cats/unwind_the_bag.py b/cats/unwind_the_bag.py
index f336de8..a2fc5db 100644
--- a/cats/unwind_the_bag.py
+++ b/cats/unwind_the_bag.py
@@ -24,7 +24,14 @@
 from chia.wallet.lineage_proof import LineageProof
 from chia.wallet.uncurried_puzzle import uncurry_puzzle
 from chia.wallet.util.tx_config import DEFAULT_COIN_SELECTION_CONFIG, DEFAULT_TX_CONFIG
-from chia.wallet.wallet_request_types import GetNextAddress, LogIn, PushTX, SelectCoins
+from chia.wallet.wallet_request_types import (
+    Addition,
+    CreateSignedTransaction,
+    GetNextAddress,
+    LogIn,
+    PushTX,
+    SelectCoins,
+)
 from chia.wallet.wallet_rpc_client import WalletRpcClient
 from chia.wallet.wallet_spend_bundle import WalletSpendBundle
 from chia_rs import CoinSpend, G2Element
@@ -303,9 +310,11 @@ async def app(
 
                 # Create signed coin spends and change for fees
                 fees_tx = await wallet_client.create_signed_transactions(
-                    [{"amount": change_amount, "puzzle_hash": change_ph}],
-                    coins=fee_coins,
-                    fee=uint64(unwind_fee),
+                    CreateSignedTransaction(
+                        additions=[Addition(amount=uint64(change_amount), puzzle_hash=change_ph)],
+                        coins=fee_coins,
+                        fee=uint64(unwind_fee),
+                    ),
                     extra_conditions=(*cat_announcements,),
                     tx_config=DEFAULT_TX_CONFIG,
                 )
@@ -420,9 +429,11 @@ async def app(
 
                         # Create signed coin spends and change for fees
                         fees_tx = await wallet_client.create_signed_transactions(
-                            [{"amount": change_amount, "puzzle_hash": change_ph}],
-                            coins=fee_coins,
-                            fee=uint64(spend_bundle_fee),
+                            CreateSignedTransaction(
+                                additions=[Addition(amount=uint64(change_amount), puzzle_hash=change_ph)],
+                                coins=fee_coins,
+                                fee=uint64(spend_bundle_fee),
+                            ),
                             extra_conditions=(*cat_announcements,),
                             tx_config=DEFAULT_TX_CONFIG,
                         )
diff --git a/setup.py b/setup.py
index 6ccf671..d1c7fd3 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
     long_description = fh.read()
 
 dependencies = [
-    "chia-blockchain==2.5.7",
+    "chia-blockchain==2.6.0",
 ]
 
 dev_dependencies = [