diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Changelog for libyaml-streamly
 
+## 0.2.1
+
+* Add benchmarks and NFData instances
+
 ## 0.2.0
 
 * Rewrite in streamly
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-# libyaml
+# libyaml-streamly
 
-This package provides a haskell wrapper over the [libyaml C library version 0.2.2 by Kirill Simonov](https://github.com/yaml/libyaml). It contains the C source so you don't need to worry about any non-Haskell dependencies.
+This package provides a haskell wrapper over the [libyaml C library version 0.2.5 by Kirill Simonov](https://github.com/yaml/libyaml). It contains the C source so you don't need to worry about any non-Haskell dependencies.
diff --git a/libyaml-streamly.cabal b/libyaml-streamly.cabal
--- a/libyaml-streamly.cabal
+++ b/libyaml-streamly.cabal
@@ -1,6 +1,6 @@
 cabal-version:      1.12
 name:               libyaml-streamly
-version:            0.2.0
+version:            0.2.1
 synopsis:           Low-level, streaming YAML interface via streamly.
 description:        Rewrite of libyaml in streamly
 category:           Text
@@ -51,6 +51,7 @@
   build-depends:
       base             >=4.9.1   && <5
     , bytestring       >=0.9.1.4
+    , deepseq
     , safe-exceptions
     , streamly         >=0.8.0
 
diff --git a/src/Text/Libyaml.hs b/src/Text/Libyaml.hs
--- a/src/Text/Libyaml.hs
+++ b/src/Text/Libyaml.hs
@@ -9,6 +9,8 @@
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE StrictData #-}
+{-# LANGUAGE BangPatterns #-}
+{-# LANGUAGE DeriveGeneric, DeriveAnyClass #-}
 
 -- | Low-level, streaming YAML interface. For a higher-level interface, see
 -- "Data.Yaml".
@@ -71,6 +73,8 @@
 #if WINDOWS && __GLASGOW_HASKELL__ >= 806
 import System.Directory (removeFile)
 #endif
+import GHC.Generics (Generic)
+import Control.DeepSeq
 
 import           Control.Exception.Safe
 import qualified Streamly.Internal.Data.Stream.StreamD.Type as D
@@ -91,7 +95,7 @@
     | EventSequenceEnd
     | EventMappingStart !Tag !MappingStyle !Anchor
     | EventMappingEnd
-    deriving (Show, Eq)
+    deriving (Show, Eq, Generic, NFData)
 
 -- | Event with start and end marks.
 --
@@ -111,19 +115,19 @@
            | Literal
            | Folded
            | PlainNoTag
-    deriving (Show, Read, Eq, Enum, Bounded, Ord, Data, Typeable)
+    deriving (Show, Read, Eq, Enum, Bounded, Ord, Data, Typeable, Generic, NFData)
 
 -- | Style for sequences - e.g. block or flow
 -- 
 -- @since 0.9.0
 data SequenceStyle = AnySequence | BlockSequence | FlowSequence
-    deriving (Show, Eq, Enum, Bounded, Ord, Data, Typeable)
+    deriving (Show, Eq, Enum, Bounded, Ord, Data, Typeable, Generic, NFData)
 
 -- | Style for mappings - e.g. block or flow
 -- 
 -- @since 0.9.0
 data MappingStyle = AnyMapping | BlockMapping | FlowMapping
-    deriving (Show, Eq, Enum, Bounded, Ord, Data, Typeable)
+    deriving (Show, Eq, Enum, Bounded, Ord, Data, Typeable, Generic, NFData)
 
 data Tag = StrTag
          | FloatTag
@@ -135,7 +139,7 @@
          | MapTag
          | UriTag String
          | NoTag
-    deriving (Show, Eq, Read, Data, Typeable)
+    deriving (Show, Eq, Read, Data, Typeable, Generic, NFData)
 
 tagSuppressed :: Tag -> Bool
 tagSuppressed (NoTag) = True
@@ -854,10 +858,10 @@
 
 -- | The pointer position
 data YamlMark = YamlMark { yamlIndex :: Int, yamlLine :: Int, yamlColumn :: Int }
-    deriving Show
+  deriving (Show, Generic, NFData)
 
 data YamlException = YamlException String
                    -- | problem, context, index, position line, position column
                    | YamlParseException { yamlProblem :: String, yamlContext :: String, yamlProblemMark :: YamlMark }
-    deriving (Show, Typeable)
+    deriving (Show, Typeable, Generic, NFData)
 instance Exception YamlException