diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 86a342c..8557d4e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: mrkkrp/ormolu-action@v8
+      - uses: haskell-actions/run-ormolu@v12
+        with:
+          version: "0.5.0.1"
 
   hlint:
     runs-on: ubuntu-latest
diff --git a/minio-hs.cabal b/minio-hs.cabal
index 620ef4c..77d7557 100644
--- a/minio-hs.cabal
+++ b/minio-hs.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                minio-hs
-version:             1.6.0
+version:             1.7.0
 synopsis:            A MinIO Haskell Library for Amazon S3 compatible cloud
                      storage.
 description:         The MinIO Haskell client library provides simple APIs to
diff --git a/src/Lib/Prelude.hs b/src/Lib/Prelude.hs
index 5d16a89..d3af2bd 100644
--- a/src/Lib/Prelude.hs
+++ b/src/Lib/Prelude.hs
@@ -42,7 +42,7 @@ import UnliftIO as Exports
 both :: (a -> b) -> (a, a) -> (b, b)
 both f (a, b) = (f a, f b)
 
-showBS :: Show a => a -> ByteString
+showBS :: (Show a) => a -> ByteString
 showBS a = encodeUtf8 (show a :: Text)
 
 toStrictBS :: LByteString -> ByteString
diff --git a/src/Network/Minio/API.hs b/src/Network/Minio/API.hs
index 34f45dd..cb4b309 100644
--- a/src/Network/Minio/API.hs
+++ b/src/Network/Minio/API.hs
@@ -150,7 +150,7 @@ getHostPathRegion ri = do
 -- | requestSTSCredential requests temporary credentials using the Security Token
 -- Service API. The returned credential will include a populated 'SessionToken'
 -- and an 'ExpiryTime'.
-requestSTSCredential :: STSCredentialProvider p => p -> IO (CredentialValue, ExpiryTime)
+requestSTSCredential :: (STSCredentialProvider p) => p -> IO (CredentialValue, ExpiryTime)
 requestSTSCredential p = do
   endpoint <- maybe (throwIO $ MErrValidation MErrVSTSEndpointNotFound) return $ getSTSEndpoint p
   let endPt = NC.parseRequest_ $ toString endpoint
@@ -337,7 +337,7 @@ isValidBucketName bucket =
     isIPCheck = and labelAsNums && length labelAsNums == 4
 
 -- Throws exception iff bucket name is invalid according to AWS rules.
-checkBucketNameValidity :: MonadIO m => Bucket -> m ()
+checkBucketNameValidity :: (MonadIO m) => Bucket -> m ()
 checkBucketNameValidity bucket =
   unless (isValidBucketName bucket) $
     throwIO $
@@ -347,7 +347,7 @@ isValidObjectName :: Object -> Bool
 isValidObjectName object =
   T.length object > 0 && B.length (encodeUtf8 object) <= 1024
 
-checkObjectNameValidity :: MonadIO m => Object -> m ()
+checkObjectNameValidity :: (MonadIO m) => Object -> m ()
 checkObjectNameValidity object =
   unless (isValidObjectName object) $
     throwIO $
diff --git a/src/Network/Minio/Credentials.hs b/src/Network/Minio/Credentials.hs
index 2920370..5058596 100644
--- a/src/Network/Minio/Credentials.hs
+++ b/src/Network/Minio/Credentials.hs
@@ -47,7 +47,7 @@ data STSCredentialStore = STSCredentialStore
     refreshAction :: Endpoint -> NC.Manager -> IO (CredentialValue, ExpiryTime)
   }
 
-initSTSCredential :: STSCredentialProvider p => p -> IO STSCredentialStore
+initSTSCredential :: (STSCredentialProvider p) => p -> IO STSCredentialStore
 initSTSCredential p = do
   let action = retrieveSTSCredentials p
   -- start with dummy credential, so that refresh happens for first request.
diff --git a/src/Network/Minio/Credentials/AssumeRole.hs b/src/Network/Minio/Credentials/AssumeRole.hs
index 0328ec6..7a2df24 100644
--- a/src/Network/Minio/Credentials/AssumeRole.hs
+++ b/src/Network/Minio/Credentials/AssumeRole.hs
@@ -41,6 +41,8 @@ defaultDurationSeconds :: Second
 defaultDurationSeconds = 3600
 
 -- | Assume Role API argument.
+--
+-- @since 1.7.0
 data STSAssumeRole = STSAssumeRole
   { -- | Credentials to use in the AssumeRole STS API.
     sarCredentials :: CredentialValue,
@@ -119,7 +121,7 @@ data AssumeRoleResult = AssumeRoleResult
 --     <RequestId>c6104cbe-af31-11e0-8154-cbc7ccf896c7</RequestId>
 --   </ResponseMetadata>
 -- </AssumeRoleResponse>
-parseSTSAssumeRoleResult :: MonadIO m => ByteString -> Text -> m AssumeRoleResult
+parseSTSAssumeRoleResult :: (MonadIO m) => ByteString -> Text -> m AssumeRoleResult
 parseSTSAssumeRoleResult xmldata namespace = do
   r <- parseRoot $ LB.fromStrict xmldata
   let s3Elem' = s3Elem namespace
diff --git a/src/Network/Minio/Credentials/Types.hs b/src/Network/Minio/Credentials/Types.hs
index a9c33bc..0579758 100644
--- a/src/Network/Minio/Credentials/Types.hs
+++ b/src/Network/Minio/Credentials/Types.hs
@@ -14,6 +14,7 @@
 -- limitations under the License.
 --
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
+{-# LANGUAGE StrictData #-}
 
 module Network.Minio.Credentials.Types where
 
@@ -37,11 +38,13 @@ newtype SessionToken = SessionToken {unSessionToken :: BA.ScrubbedBytes}
   deriving newtype (Eq, IsString, Semigroup, Monoid)
 
 -- | Object storage credential data type. It has support for the optional
--- <https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_use-resources.html
--- SessionToken> for using temporary credentials requested via STS.
+-- [SessionToken](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_use-resources.html)
+-- for using temporary credentials requested via STS.
 --
 -- The show instance for this type does not print the value of secrets for
 -- security.
+--
+-- @since 1.7.0
 data CredentialValue = CredentialValue
   { cvAccessKey :: AccessKey,
     cvSecretKey :: SecretKey,
@@ -70,6 +73,8 @@ credentialValueText cv =
 type Endpoint = (ByteString, Int, Bool)
 
 -- | Typeclass for STS credential providers.
+--
+-- @since 1.7.0
 class STSCredentialProvider p where
   retrieveSTSCredentials ::
     p ->
diff --git a/src/Network/Minio/Data.hs b/src/Network/Minio/Data.hs
index 6e53d5a..a0a47a3 100644
--- a/src/Network/Minio/Data.hs
+++ b/src/Network/Minio/Data.hs
@@ -16,6 +16,7 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
+{-# LANGUAGE StrictData #-}
 {-# LANGUAGE TypeFamilies #-}
 
 module Network.Minio.Data where
@@ -156,15 +157,10 @@ instance IsString ConnectInfo where
             connectDisableTLSCertValidation = False
           }
 
--- | Contains access key and secret key to access object storage.
-data Credentials = Credentials
-  { cAccessKey :: Text,
-    cSecretKey :: Text
-  }
-  deriving stock (Eq, Show)
-
 -- | A 'CredentialLoader' is an action that may return a 'CredentialValue'.
 -- Loaders may be chained together using 'findFirst'.
+--
+-- @since 1.7.0
 type CredentialLoader = IO (Maybe CredentialValue)
 
 -- | Combines the given list of loaders, by calling each one in
@@ -232,7 +228,7 @@ setCreds cv connInfo =
 -- | 'setSTSCredential' configures `ConnectInfo` to retrieve temporary
 -- credentials via the STS API on demand. It is automatically refreshed on
 -- expiry.
-setSTSCredential :: STSCredentialProvider p => p -> ConnectInfo -> IO ConnectInfo
+setSTSCredential :: (STSCredentialProvider p) => p -> ConnectInfo -> IO ConnectInfo
 setSTSCredential p ci = do
   store <- initSTSCredential p
   return ci {connectCreds = CredsSTS store}
@@ -308,7 +304,7 @@ newtype SSECKey = SSECKey BA.ScrubbedBytes
 
 -- | Validates that the given ByteString is 32 bytes long and creates
 -- an encryption key.
-mkSSECKey :: MonadThrow m => ByteString -> m SSECKey
+mkSSECKey :: (MonadThrow m) => ByteString -> m SSECKey
 mkSSECKey keyBytes
   | B.length keyBytes /= 32 =
       throwM MErrVInvalidEncryptionKeyLength
@@ -325,7 +321,7 @@ data SSE where
   -- argument is the optional KMS context that must have a
   -- `A.ToJSON` instance - please refer to the AWS S3 documentation
   -- for detailed information.
-  SSEKMS :: A.ToJSON a => Maybe ByteString -> Maybe a -> SSE
+  SSEKMS :: (A.ToJSON a) => Maybe ByteString -> Maybe a -> SSE
   -- | Specifies server-side encryption with customer provided
   -- key. The argument is the encryption key to be used.
   SSEC :: SSECKey -> SSE
diff --git a/src/Network/Minio/Data/Crypto.hs b/src/Network/Minio/Data/Crypto.hs
index af51cb3..3180859 100644
--- a/src/Network/Minio/Data/Crypto.hs
+++ b/src/Network/Minio/Data/Crypto.hs
@@ -43,26 +43,26 @@ import qualified Data.Conduit as C
 hashSHA256 :: ByteString -> ByteString
 hashSHA256 = digestToBase16 . hashWith SHA256
 
-hashSHA256FromSource :: Monad m => C.ConduitM () ByteString m () -> m ByteString
+hashSHA256FromSource :: (Monad m) => C.ConduitM () ByteString m () -> m ByteString
 hashSHA256FromSource src = do
   digest <- C.connect src sinkSHA256Hash
   return $ digestToBase16 digest
   where
     -- To help with type inference
-    sinkSHA256Hash :: Monad m => C.ConduitM ByteString Void m (Digest SHA256)
+    sinkSHA256Hash :: (Monad m) => C.ConduitM ByteString Void m (Digest SHA256)
     sinkSHA256Hash = sinkHash
 
 -- Returns MD5 hash hex encoded.
 hashMD5 :: ByteString -> ByteString
 hashMD5 = digestToBase16 . hashWith MD5
 
-hashMD5FromSource :: Monad m => C.ConduitM () ByteString m () -> m ByteString
+hashMD5FromSource :: (Monad m) => C.ConduitM () ByteString m () -> m ByteString
 hashMD5FromSource src = do
   digest <- C.connect src sinkMD5Hash
   return $ digestToBase16 digest
   where
     -- To help with type inference
-    sinkMD5Hash :: Monad m => C.ConduitM ByteString Void m (Digest MD5)
+    sinkMD5Hash :: (Monad m) => C.ConduitM ByteString Void m (Digest MD5)
     sinkMD5Hash = sinkHash
 
 hmacSHA256 :: ByteString -> ByteString -> HMAC SHA256
@@ -71,15 +71,15 @@ hmacSHA256 message key = hmac key message
 hmacSHA256RawBS :: ByteString -> ByteString -> ByteString
 hmacSHA256RawBS message key = convert $ hmacSHA256 message key
 
-digestToBS :: ByteArrayAccess a => a -> ByteString
+digestToBS :: (ByteArrayAccess a) => a -> ByteString
 digestToBS = convert
 
-digestToBase16 :: ByteArrayAccess a => a -> ByteString
+digestToBase16 :: (ByteArrayAccess a) => a -> ByteString
 digestToBase16 = convertToBase Base16
 
 -- Returns MD5 hash base 64 encoded.
-hashMD5ToBase64 :: ByteArrayAccess a => a -> ByteString
+hashMD5ToBase64 :: (ByteArrayAccess a) => a -> ByteString
 hashMD5ToBase64 = convertToBase Base64 . hashWith MD5
 
-encodeToBase64 :: ByteArrayAccess a => a -> ByteString
+encodeToBase64 :: (ByteArrayAccess a) => a -> ByteString
 encodeToBase64 = convertToBase Base64
diff --git a/src/Network/Minio/SelectAPI.hs b/src/Network/Minio/SelectAPI.hs
index 01db5e7..621e86c 100644
--- a/src/Network/Minio/SelectAPI.hs
+++ b/src/Network/Minio/SelectAPI.hs
@@ -119,7 +119,7 @@ instance Exception EventStreamException
 chunkSize :: Int
 chunkSize = 32 * 1024
 
-parseBinary :: Bin.Binary a => ByteString -> IO a
+parseBinary :: (Bin.Binary a) => ByteString -> IO a
 parseBinary b = do
   case Bin.decodeOrFail $ LB.fromStrict b of
     Left (_, _, msg) -> throwIO $ ESEDecodeFail msg
@@ -135,7 +135,7 @@ bytesToHeaderName t = case t of
   _ -> throwIO ESEInvalidHeaderType
 
 parseHeaders ::
-  MonadUnliftIO m =>
+  (MonadUnliftIO m) =>
   Word32 ->
   C.ConduitM ByteString a m [MessageHeader]
 parseHeaders 0 = return []
@@ -163,7 +163,7 @@ parseHeaders hdrLen = do
 
 -- readNBytes returns N bytes read from the string and throws an
 -- exception if N bytes are not present on the stream.
-readNBytes :: MonadUnliftIO m => Int -> C.ConduitM ByteString a m ByteString
+readNBytes :: (MonadUnliftIO m) => Int -> C.ConduitM ByteString a m ByteString
 readNBytes n = do
   b <- LB.toStrict <$> (C.takeCE n .| C.sinkLazy)
   if B.length b /= n
@@ -171,7 +171,7 @@ readNBytes n = do
     else return b
 
 crcCheck ::
-  MonadUnliftIO m =>
+  (MonadUnliftIO m) =>
   C.ConduitM ByteString ByteString m ()
 crcCheck = do
   b <- readNBytes 12
@@ -208,7 +208,7 @@ crcCheck = do
         then accumulateYield n' c'
         else return c'
 
-handleMessage :: MonadUnliftIO m => C.ConduitT ByteString EventMessage m ()
+handleMessage :: (MonadUnliftIO m) => C.ConduitT ByteString EventMessage m ()
 handleMessage = do
   b1 <- readNBytes 4
   msgLen :: Word32 <- liftIO $ parseBinary b1
@@ -254,7 +254,7 @@ handleMessage = do
       passThrough $ n - B.length b
 
 selectProtoConduit ::
-  MonadUnliftIO m =>
+  (MonadUnliftIO m) =>
   C.ConduitT ByteString EventMessage m ()
 selectProtoConduit = crcCheck .| handleMessage
 
@@ -281,7 +281,7 @@ selectObjectContent b o r = do
   return $ NC.responseBody resp .| selectProtoConduit
 
 -- | A helper conduit that returns only the record payload bytes.
-getPayloadBytes :: MonadIO m => C.ConduitT EventMessage ByteString m ()
+getPayloadBytes :: (MonadIO m) => C.ConduitT EventMessage ByteString m ()
 getPayloadBytes = do
   evM <- C.await
   case evM of
diff --git a/src/Network/Minio/Sign/V4.hs b/src/Network/Minio/Sign/V4.hs
index f822e44..f306249 100644
--- a/src/Network/Minio/Sign/V4.hs
+++ b/src/Network/Minio/Sign/V4.hs
@@ -346,7 +346,7 @@ chunkSizeConstant = 64 * 1024
 
 -- base16Len computes the number of bytes required to represent @n (> 0)@ in
 -- hexadecimal.
-base16Len :: Integral a => a -> Int
+base16Len :: (Integral a) => a -> Int
 base16Len n
   | n == 0 = 0
   | otherwise = 1 + base16Len (n `div` 16)
diff --git a/src/Network/Minio/Utils.hs b/src/Network/Minio/Utils.hs
index f985ddc..1fcaa84 100644
--- a/src/Network/Minio/Utils.hs
+++ b/src/Network/Minio/Utils.hs
@@ -175,7 +175,7 @@ isSuccessStatus sts =
    in (s >= 200 && s < 300)
 
 httpLbs ::
-  MonadIO m =>
+  (MonadIO m) =>
   NC.Request ->
   NC.Manager ->
   m (NC.Response LByteString)
@@ -239,7 +239,7 @@ http req mgr = do
 -- Similar to mapConcurrently but limits the number of threads that
 -- can run using a quantity semaphore.
 limitedMapConcurrently ::
-  MonadUnliftIO m =>
+  (MonadUnliftIO m) =>
   Int ->
   (t -> m a) ->
   [t] ->
diff --git a/src/Network/Minio/XmlCommon.hs b/src/Network/Minio/XmlCommon.hs
index 6c428ce..6892523 100644
--- a/src/Network/Minio/XmlCommon.hs
+++ b/src/Network/Minio/XmlCommon.hs
@@ -35,7 +35,7 @@ uncurry6 :: (a -> b -> c -> d -> e -> f -> g) -> (a, b, c, d, e, f) -> g
 uncurry6 f (a, b, c, d, e, g) = f a b c d e g
 
 -- | Parse time strings from XML
-parseS3XMLTime :: MonadIO m => Text -> m UTCTime
+parseS3XMLTime :: (MonadIO m) => Text -> m UTCTime
 parseS3XMLTime t =
   maybe (throwIO $ MErrVXmlParse $ "timestamp parse failure: " <> t) return $
     iso8601ParseM $
diff --git a/src/Network/Minio/XmlParser.hs b/src/Network/Minio/XmlParser.hs
index 46e4bcf..ffc2230 100644
--- a/src/Network/Minio/XmlParser.hs
+++ b/src/Network/Minio/XmlParser.hs
@@ -218,7 +218,7 @@ parseNotification xmldata = do
           events
           (Filter $ FilterKey $ FilterRules rules)
 
-parseSelectProgress :: MonadIO m => ByteString -> m Progress
+parseSelectProgress :: (MonadIO m) => ByteString -> m Progress
 parseSelectProgress xmldata = do
   r <- parseRoot $ LB.fromStrict xmldata
   let bScanned = T.concat $ r $/ element "BytesScanned" &/ content
diff --git a/test/LiveServer.hs b/test/LiveServer.hs
index 7f73070..b946da1 100644
--- a/test/LiveServer.hs
+++ b/test/LiveServer.hs
@@ -50,7 +50,7 @@ tests :: TestTree
 tests = testGroup "Tests" [liveServerUnitTests]
 
 -- conduit that generates random binary stream of given length
-randomDataSrc :: MonadIO m => Int64 -> C.ConduitM () ByteString m ()
+randomDataSrc :: (MonadIO m) => Int64 -> C.ConduitM () ByteString m ()
 randomDataSrc = genBS
   where
     concatIt bs n =
@@ -68,7 +68,7 @@ randomDataSrc = genBS
           yield $ concatIt byteArr64 oneMiB
           genBS (s - oneMiB)
 
-mkRandFile :: R.MonadResource m => Int64 -> m FilePath
+mkRandFile :: (R.MonadResource m) => Int64 -> m FilePath
 mkRandFile size = do
   dir <- liftIO getTemporaryDirectory
   C.runConduit $ randomDataSrc size C..| CB.sinkTempFile dir "miniohstest.random"