diff --git a/cabal.project b/cabal.project
index fff10556092..5497dcce253 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,8 +12,8 @@ repository cardano-haskell-packages
 
 -- See CONTRIBUTING.md for information about when and how to update these.
 index-state:
-  , hackage.haskell.org 2024-11-22T14:59:16Z
-  , cardano-haskell-packages 2024-12-20T15:52:56Z
+  , hackage.haskell.org 2025-01-15T13:32:16Z
+  , cardano-haskell-packages 2025-01-15T09:59:24Z
 
 packages:
   hydra-prelude
@@ -42,9 +42,13 @@ test-show-details: direct
 program-options
   ghc-options: -fwrite-ide-info
 
-constraints:
-  quickcheck-instances==0.3.31,
-  data-default==0.7.1.3
+--source-repository-package
+--  type: git
+--  location: https://github.com/IntersectMBO/cardano-api
+--  tag: 271099ce20b9767367fc0ecdb1a6f2d0f71a00f7
+--  --sha256: sha256-6PImVY8AHDPHk76wADaV+JIjtTVlKM9rwKw2sBFxD14=
+--  subdir:
+--    cardano-api
 
 source-repository-package
   type: git
@@ -57,10 +61,10 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/locallycompact/plutus
-  tag: b117b4460b5b5da2a599db8693b18dacd811bb91
-  --sha256: sha256-GUPwIwbTOy/eTBhjOwrR+XwJsML/jmBlAf1qU6zWvd8=
+  tag: d4f1bc056e4db3f3d71af9069f355a97d326b29b
+  --sha256: sha256-w3vtZ8v4nGAkeGoNjd5kZly7fv4QPm/iEgyg3EasZAM=
   subdir:
-    prettyprinter-configurable
+    -- prettyprinter-configurable
     plutus-core
     plutus-ledger-api
     plutus-tx-plugin
diff --git a/flake.lock b/flake.lock
index f72483a22d6..7558745e0d3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "CHaP": {
       "flake": false,
       "locked": {
-        "lastModified": 1734943824,
-        "narHash": "sha256-kcyysnPJbjdJOmtTldC08xj2Ttp2XcY6ecbYOYdwkmY=",
+        "lastModified": 1736937016,
+        "narHash": "sha256-dmLSu2SvSaTDjSE03cU6DwY62J3nWJbVhIn/kKtMwJg=",
         "owner": "IntersectMBO",
         "repo": "cardano-haskell-packages",
-        "rev": "6ec767f1afd771816c5f3b383d0e1d3b577d72fe",
+        "rev": "045875beec586ff57a7333c0563fd5c2b1a308fa",
         "type": "github"
       },
       "original": {
diff --git a/hydra-cardano-api/hydra-cardano-api.cabal b/hydra-cardano-api/hydra-cardano-api.cabal
index f4130ffcc78..2130f6798eb 100644
--- a/hydra-cardano-api/hydra-cardano-api.cabal
+++ b/hydra-cardano-api/hydra-cardano-api.cabal
@@ -77,7 +77,7 @@ library
     , aeson                      >=2
     , base                       >=4.16
     , bytestring
-    , cardano-api                ^>=10.5
+    , cardano-api                ^>=10.6
     , cardano-api:gen
     , cardano-binary
     , cardano-crypto-class
diff --git a/hydra-cardano-api/src/Hydra/Cardano/Api/Prelude.hs b/hydra-cardano-api/src/Hydra/Cardano/Api/Prelude.hs
index e3f3c028f68..7f6806a8e83 100644
--- a/hydra-cardano-api/src/Hydra/Cardano/Api/Prelude.hs
+++ b/hydra-cardano-api/src/Hydra/Cardano/Api/Prelude.hs
@@ -40,7 +40,7 @@ import Cardano.Crypto.Hash.Class qualified as CC
 import Cardano.Ledger.Binary qualified as Ledger
 import Cardano.Ledger.Core qualified as Ledger
 import Cardano.Ledger.Crypto (StandardCrypto)
-import Cardano.Ledger.Era (EraCrypto)
+import Cardano.Ledger.Core (EraCrypto)
 import Data.Aeson (FromJSON (..), ToJSON (..))
 import Data.ByteString (ByteString)
 import Data.ByteString.Lazy (fromStrict, toStrict)
diff --git a/hydra-cardano-api/src/Hydra/Cardano/Api/ScriptData.hs b/hydra-cardano-api/src/Hydra/Cardano/Api/ScriptData.hs
index 2efc3ab5e46..6ebce1c9b2b 100644
--- a/hydra-cardano-api/src/Hydra/Cardano/Api/ScriptData.hs
+++ b/hydra-cardano-api/src/Hydra/Cardano/Api/ScriptData.hs
@@ -4,7 +4,7 @@ module Hydra.Cardano.Api.ScriptData where
 
 import Hydra.Cardano.Api.Prelude hiding (left)
 
-import Cardano.Ledger.Era qualified as Ledger
+import Cardano.Ledger.Core qualified as Ledger
 import Cardano.Ledger.Plutus.Data qualified as Ledger
 import PlutusLedgerApi.V3 qualified as Plutus
 
diff --git a/hydra-cluster/src/Hydra/Cluster/Scenarios.hs b/hydra-cluster/src/Hydra/Cluster/Scenarios.hs
index 66a876e7edd..90baa872c5e 100644
--- a/hydra-cluster/src/Hydra/Cluster/Scenarios.hs
+++ b/hydra-cluster/src/Hydra/Cluster/Scenarios.hs
@@ -457,19 +457,20 @@ singlePartyUsesSchnorrkelScriptOnL2 tracer workDir node hydraScriptsTxId =
                 ScriptWitness scriptWitnessInCtx $
                   mkScriptWitness serializedScript (mkScriptDatum ()) (toScriptData ())
 
-        -- Note: Bug! autobalancing breaks the script business
-        -- tx <- either (failure . show) pure =<< buildTransactionWithBody networkId nodeSocket (mkVkAddress networkId walletVk) body utxoToCommit
-
         let txIn = mkTxIn signedL2tx 0
         let body =
               defaultTxBodyContent
                 & addTxIns [(txIn, scriptWitness)]
 
+        -- Note: Bug! autobalancing breaks the script business
+        tx <- either (failure . show) pure =<< buildTransactionWithBody networkId nodeSocket (mkVkAddress networkId walletVk) body utxoToCommit
+
         -- Note: Fix! Use `createAndValidateTransactionBody` instead. This
         -- means we _can_ construct the tx; but it doesn't submit (because it
         -- isn't balanced! And it's missing collateral, etc...
-        txBody <- either (failure . show) pure (createAndValidateTransactionBody body)
-        let tx = makeSignedTransaction [] txBody
+        -- txBody <- either (failure . show) pure (createAndValidateTransactionBody body)
+        -- let tx = makeSignedTransaction [] txBody
+
         let signedL2tx = signTx walletSk tx
 
         send n1 $ input "NewTx" ["transaction" .= signedL2tx]
diff --git a/hydra-node/src/Hydra/Ledger/Cardano.hs b/hydra-node/src/Hydra/Ledger/Cardano.hs
index 5b03ee33921..9dcf0aa6835 100644
--- a/hydra-node/src/Hydra/Ledger/Cardano.hs
+++ b/hydra-node/src/Hydra/Ledger/Cardano.hs
@@ -96,6 +96,7 @@ newLedgerEnv protocolParams =
       Ledger.ledgerAccount = Ledger.AccountState mempty mempty
     , Ledger.ledgerPp = protocolParams
     , Ledger.ledgerMempool = False
+    , Ledger.ledgerEpochNo = Nothing
     }
 
 -- * Conversions and utilities
diff --git a/hydra-node/src/Hydra/Network.hs b/hydra-node/src/Hydra/Network.hs
index a1edb7f49aa..6c28fb50d30 100644
--- a/hydra-node/src/Hydra/Network.hs
+++ b/hydra-node/src/Hydra/Network.hs
@@ -31,7 +31,7 @@ import Cardano.Ledger.Orphans ()
 import Data.IP (IP, toIPv4w)
 import Data.Text (pack, unpack)
 import Network.Socket (PortNumber, close)
-import Network.TypedProtocol.Pipelined ()
+-- import Network.TypedProtocol.Pipelined ()
 import Test.QuickCheck (elements, listOf, suchThat)
 import Text.Read (Read (readsPrec))
 import Text.Show (Show (show))
diff --git a/hydra-node/src/Hydra/Network/Ouroboros/Type.hs b/hydra-node/src/Hydra/Network/Ouroboros/Type.hs
index f0e28a92251..a9477b2c9d5 100644
--- a/hydra-node/src/Hydra/Network/Ouroboros/Type.hs
+++ b/hydra-node/src/Hydra/Network/Ouroboros/Type.hs
@@ -5,7 +5,8 @@ import Hydra.Prelude
 import Cardano.Binary qualified as CBOR
 import Codec.CBOR.Read qualified as CBOR
 import GHC.Show (Show (show))
-import Network.TypedProtocol (PeerHasAgency (ClientAgency), Protocol (..))
+import Network.TypedProtocol.Core (ReflRelativeAgency (ReflClientAgency))
+import Network.TypedProtocol (Protocol (..))
 import Network.TypedProtocol.Codec (Codec)
 import Network.TypedProtocol.Codec.CBOR (mkCodecCborLazyBS)
 import Network.TypedProtocol.Core (PeerRole)
@@ -77,8 +78,8 @@ codecFireForget = mkCodecCborLazyBS encodeMsg decodeMsg
     PeerHasAgency pr st ->
     Message (FireForget a) st st' ->
     CBOR.Encoding
-  encodeMsg (ClientAgency TokIdle) MsgDone = CBOR.encodeWord 0
-  encodeMsg (ClientAgency TokIdle) (MsgSend msg) = CBOR.encodeWord 1 <> toCBOR msg
+  encodeMsg (ReflClientAgency TokIdle) MsgDone = CBOR.encodeWord 0
+  encodeMsg (ReflClientAgency TokIdle) (MsgSend msg) = CBOR.encodeWord 1 <> toCBOR msg
 
   decodeMsg ::
     forall (pr :: PeerRole) s (st :: FireForget a).
@@ -87,9 +88,9 @@ codecFireForget = mkCodecCborLazyBS encodeMsg decodeMsg
   decodeMsg stok = do
     key <- CBOR.decodeWord
     case (stok, key) of
-      (ClientAgency TokIdle, 0) ->
+      (ReflClientAgency TokIdle, 0) ->
         return $ SomeMessage MsgDone
-      (ClientAgency TokIdle, 1) -> do
+      (ReflClientAgency TokIdle, 1) -> do
         SomeMessage . MsgSend <$> fromCBOR
-      (ClientAgency TokIdle, _) ->
+      (ReflClientAgency TokIdle, _) ->
         fail "codecFireForget.StIdle: unexpected key"
diff --git a/hydra-node/src/Hydra/Network/Ouroboros/VersionedProtocol.hs b/hydra-node/src/Hydra/Network/Ouroboros/VersionedProtocol.hs
index 6ca0d7f6e7d..5e09fbe8900 100644
--- a/hydra-node/src/Hydra/Network/Ouroboros/VersionedProtocol.hs
+++ b/hydra-node/src/Hydra/Network/Ouroboros/VersionedProtocol.hs
@@ -8,7 +8,7 @@ import GHC.Natural (naturalFromInteger, naturalToInteger)
 import GHC.Num (integerToInt)
 import Hydra.Network (Host (..))
 import Hydra.Network.Message (HydraVersionedProtocolNumber (..))
-import Network.TypedProtocol.Pipelined ()
+-- import Network.TypedProtocol.Pipelined ()
 import Ouroboros.Network.CodecCBORTerm (CodecCBORTerm (..))
 import Ouroboros.Network.Protocol.Handshake.Codec (VersionDataCodec, cborTermVersionDataCodec)
 import Ouroboros.Network.Protocol.Handshake.Version (Accept (..), Acceptable, Queryable, acceptableVersion, queryVersion)
diff --git a/hydra-plutus/src/Hydra/Contract/Head.hs b/hydra-plutus/src/Hydra/Contract/Head.hs
index a8bbe976b0c..ed2d6fc098f 100644
--- a/hydra-plutus/src/Hydra/Contract/Head.hs
+++ b/hydra-plutus/src/Hydra/Contract/Head.hs
@@ -60,6 +60,7 @@ import PlutusLedgerApi.V3 (
   TxOut (..),
   UpperBound (..),
   Value (Value),
+  mintValueMinted,
  )
 import PlutusLedgerApi.V3.Contexts (findOwnInput, findTxInByTxOutRef)
 import PlutusTx (CompiledCode)
@@ -117,7 +118,7 @@ checkAbort ctx@ScriptContext{scriptContextTxInfo = txInfo} headCurrencySymbol pa
     && mustBeSignedByParticipant ctx headCurrencySymbol
     && mustReimburseCommittedUTxO
  where
-  minted = txInfoMint txInfo
+  minted = mintValueMinted $ txInfoMint txInfo
 
   mustReimburseCommittedUTxO =
     traceIfFalse $(errorCode ReimbursedOutputsDontMatch) $
@@ -653,7 +654,7 @@ checkFanout ScriptContext{scriptContextTxInfo = txInfo} closedDatum numberOfFano
     && hasSameDecommitUTxOHash
     && afterContestationDeadline
  where
-  minted = txInfoMint txInfo
+  minted = mintValueMinted $ txInfoMint txInfo
 
   hasSameUTxOHash =
     traceIfFalse $(errorCode FanoutUTxOHashMismatch) $
diff --git a/hydra-plutus/src/Hydra/Contract/HeadTokens.hs b/hydra-plutus/src/Hydra/Contract/HeadTokens.hs
index 664fb7374ba..5490314466d 100644
--- a/hydra-plutus/src/Hydra/Contract/HeadTokens.hs
+++ b/hydra-plutus/src/Hydra/Contract/HeadTokens.hs
@@ -46,6 +46,7 @@ import PlutusLedgerApi.V3 (
   TxOutRef,
   Value (getValue),
   serialiseCompiledCode,
+  mintValueMinted
  )
 import PlutusLedgerApi.V3.Contexts (ownCurrencySymbol)
 import PlutusTx (CompiledCode)
@@ -136,6 +137,7 @@ validateTokensMinting initialValidator headValidator seedInput context =
     maybe 0 sum
       . AssocMap.lookup currency
       . getValue
+      . mintValueMinted
       $ txInfoMint txInfo
 
   (headId, seed, nParties) =
@@ -173,7 +175,8 @@ validateTokensBurning context =
 
   ScriptContext{scriptContextTxInfo = txInfo} = context
 
-  minted = getValue $ txInfoMint txInfo
+  -- TODO: Should this be burned our minted?!
+  minted = getValue . mintValueMinted $ txInfoMint txInfo
 
   burnHeadTokens =
     case AssocMap.lookup currency minted of
diff --git a/hydra-plutus/src/Hydra/Contract/Util.hs b/hydra-plutus/src/Hydra/Contract/Util.hs
index be0c5b0552b..fd7e3f9e1d6 100644
--- a/hydra-plutus/src/Hydra/Contract/Util.hs
+++ b/hydra-plutus/src/Hydra/Contract/Util.hs
@@ -21,6 +21,7 @@ import PlutusLedgerApi.V3 (
   TxOutRef (..),
   Value (getValue),
   toBuiltinData,
+  mintValueMinted
  )
 import PlutusTx.AssocMap qualified as AssocMap
 import PlutusTx.Builtins (serialiseData)
@@ -57,7 +58,7 @@ mustBurnAllHeadTokens minted headCurrencySymbol parties =
 mustNotMintOrBurn :: TxInfo -> Bool
 mustNotMintOrBurn TxInfo{txInfoMint} =
   traceIfFalse "U01" $
-    isZero txInfoMint
+    isZero (mintValueMinted txInfoMint)
 {-# INLINEABLE mustNotMintOrBurn #-}
 
 infix 4 ===