diff --git a/cdv/test/__init__.py b/cdv/test/__init__.py
index 5567fa5..99bf3a5 100644
--- a/cdv/test/__init__.py
+++ b/cdv/test/__init__.py
@@ -238,6 +238,12 @@ def pk_to_sk(self, pk: G1Element) -> PrivateKey:
         assert str(pk) in self.pk_to_sk_dict
         return self.pk_to_sk_dict[str(pk)]
 
+    def sk_for_puzzle_hash(self, puzzle_hash: bytes32) -> Optional[PrivateKey]:
+        """
+        This method is a stub, required for the sign_coin_spends method in chia wallet.
+        """
+        return None
+
     def compute_combine_action(
         self, amt: uint64, actions: List, usable_coins: Dict[bytes32, Union[Coin, CoinWrapper]]
     ) -> Optional[List[Coin]]:
@@ -540,8 +546,10 @@ async def spend_coin(self, coin: CoinWrapper, pushtx: bool = True, **kwargs) ->
             spend_bundle: SpendBundle = await sign_coin_spends(
                 [solution_for_coin],
                 self.pk_to_sk,
+                self.sk_for_puzzle_hash,
                 DEFAULT_CONSTANTS.AGG_SIG_ME_ADDITIONAL_DATA,
                 DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
+                [],
             )
         except ValueError:
             spend_bundle = SpendBundle(
diff --git a/setup.py b/setup.py
index d40254a..89564e0 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
     "pytest-asyncio",
     "pytimeparse",
     "anyio",
-    "chia-blockchain==2.0.0",
+    "chia-blockchain==2.1.1",
 ]
 
 dev_dependencies = [