diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# Version [0.9.1.0](https://github.com/blockfrost/blockfrost-haskell/compare/client-0.9.0.0...client-0.9.1.0) (2024-09-25)
+
+* Fix return type of `getTxCBOR` from `[TransactionCBOR]` to `TransactionCBOR`.
+
 # Version [0.9.0.0](https://github.com/blockfrost/blockfrost-haskell/compare/client-0.8.0.1...client-0.9.0.0) (2024-09-19)
 
 * Additions
diff --git a/blockfrost-client.cabal b/blockfrost-client.cabal
--- a/blockfrost-client.cabal
+++ b/blockfrost-client.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.2
 name:                blockfrost-client
-version:             0.9.0.0
+version:             0.9.1.0
 synopsis:            blockfrost.io basic client
 description:         Simple Blockfrost clients for use with transformers or mtl
 homepage:            https://github.com/blockfrost/blockfrost-haskell
@@ -68,7 +68,7 @@
                       , Blockfrost.Client.IPFS
                       , Blockfrost.Client.NutLink
    build-depends:       base                     >= 4.7 && < 5
-                      , blockfrost-api           >= 0.12
+                      , blockfrost-api           >= 0.12.1
                       , blockfrost-client-core   ^>= 0.6
                       , bytestring
                       , directory
diff --git a/src/Blockfrost/Client/Cardano/Transactions.hs b/src/Blockfrost/Client/Cardano/Transactions.hs
--- a/src/Blockfrost/Client/Cardano/Transactions.hs
+++ b/src/Blockfrost/Client/Cardano/Transactions.hs
@@ -93,11 +93,11 @@
 getTxMetadataJSON :: MonadBlockfrost m => TxHash -> m [TransactionMetaJSON]
 getTxMetadataJSON t = go (`getTxMetadataJSON_` t)
 
-getTxCBOR_ :: MonadBlockfrost m => Project -> TxHash -> m [TransactionCBOR]
+getTxCBOR_ :: MonadBlockfrost m => Project -> TxHash -> m TransactionCBOR
 getTxCBOR_ = _txCBOR . transactionsClient
 
 -- | Get transaction in CBOR
-getTxCBOR :: MonadBlockfrost m => TxHash -> m [TransactionCBOR]
+getTxCBOR :: MonadBlockfrost m => TxHash -> m TransactionCBOR
 getTxCBOR t = go (`getTxCBOR_` t)
 
 getTxMetadataCBOR_ :: MonadBlockfrost m => Project -> TxHash -> m [TransactionMetaCBOR]