diff --git a/app/App/Commands/Capabilities.hs b/app/App/Commands/Capabilities.hs
--- a/app/App/Commands/Capabilities.hs
+++ b/app/App/Commands/Capabilities.hs
@@ -10,8 +10,8 @@
 
 import qualified System.IO as IO
 
-{-# ANN module ("HLint: ignore Reduce duplication"  :: String) #-}
-{-# ANN module ("HLint: ignore Redundant do"        :: String) #-}
+{- HLINT ignore "Reduce duplication"  -}
+{- HLINT ignore "Redundant do"        -}
 
 runCapabilities :: () -> IO ()
 runCapabilities _ = do
diff --git a/app/App/Commands/CreateIndex.hs b/app/App/Commands/CreateIndex.hs
--- a/app/App/Commands/CreateIndex.hs
+++ b/app/App/Commands/CreateIndex.hs
@@ -20,8 +20,8 @@
 import qualified System.Exit                       as IO
 import qualified System.IO                         as IO
 
-{-# ANN module ("HLint: ignore Reduce duplication"  :: String) #-}
-{-# ANN module ("HLint: ignore Redundant do"        :: String) #-}
+{- HLINT ignore "Reduce duplication"  -}
+{- HLINT ignore "Redundant do"        -}
 
 runCreateIndex :: CreateIndexOptions -> IO ()
 runCreateIndex opts = do
diff --git a/hw-json-simd.cabal b/hw-json-simd.cabal
--- a/hw-json-simd.cabal
+++ b/hw-json-simd.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.2
 
 name:                   hw-json-simd
-version:                0.1.1.0
+version:                0.1.1.1
 synopsis:               SIMD-based JSON semi-indexer
 description:            Please see the README on GitHub at <https://github.com/haskell-works/hw-json-simd#readme>
 category:               Data
@@ -9,11 +9,11 @@
 bug-reports:            https://github.com/haskell-works/hw-json-simd/issues
 author:                 John Ky
 maintainer:             newhoggy@gmail.com
-copyright:              2018-2020 John Ky
+copyright:              2018-2021 John Ky
 license:                BSD-3-Clause
 license-file:           LICENSE
 build-type:             Simple
-tested-with:            GHC == 8.10.1, GHC == 8.8.3, GHC == 8.6.5, GHC == 8.4.4
+tested-with:            GHC == 9.2.2, GHC == 9.0.2, GHC == 8.10.7, GHC == 8.8.4, GHC == 8.6.5
 extra-source-files:     cbits/debug.h
                         cbits/simd.h
                         cbits/intrinsics.h
@@ -46,13 +46,13 @@
 
 common base                       { build-depends: base                       >= 4.11       && < 5      }
 
-common bytestring                 { build-depends: bytestring                 >= 0.10.6     && < 0.11   }
-common doctest                    { build-depends: doctest                    >= 0.16.2     && < 0.17   }
+common bytestring                 { build-depends: bytestring                 >= 0.10.6     && < 0.12   }
+common doctest                    { build-depends: doctest                    >= 0.16.2     && < 0.21   }
 common doctest-discover           { build-depends: doctest-discover           >= 0.2        && < 0.3    }
 common hw-prim                    { build-depends: hw-prim                    >= 0.6.2.35   && < 0.7    }
-common lens                       { build-depends: lens                       >= 4          && < 5      }
-common optparse-applicative       { build-depends: optparse-applicative       >= 0.14       && < 0.16   }
-common transformers               { build-depends: transformers               >= 0.4        && < 0.6    }
+common lens                       { build-depends: lens                       >= 4          && < 6      }
+common optparse-applicative       { build-depends: optparse-applicative       >= 0.14       && < 0.18   }
+common transformers               { build-depends: transformers               >= 0.4        && < 0.7    }
 common vector                     { build-depends: vector                     >= 0.12       && < 0.13   }
 
 common hw-json-simd
@@ -136,7 +136,7 @@
                       , hw-json-simd
   default-language:     Haskell2010
   type:                 exitcode-stdio-1.0
-  ghc-options:          -threaded
+  ghc-options:          -threaded -rtsopts -with-rtsopts=-N
   main-is:              DoctestDriver.hs
   HS-Source-Dirs:       doctest
   build-tool-depends:   doctest-discover:doctest-discover
diff --git a/src/HaskellWorks/Data/Json/Simd/Index/Simple.hs b/src/HaskellWorks/Data/Json/Simd/Index/Simple.hs
--- a/src/HaskellWorks/Data/Json/Simd/Index/Simple.hs
+++ b/src/HaskellWorks/Data/Json/Simd/Index/Simple.hs
@@ -25,8 +25,8 @@
 import qualified HaskellWorks.Data.Json.Simd.Internal.List    as L
 import qualified System.IO.Unsafe                             as IO
 
-{-# ANN module ("HLint: ignore Reduce duplication"  :: String) #-}
-{-# ANN module ("HLint: ignore Redundant do"        :: String) #-}
+{- HLINT ignore "Reduce duplication"  -}
+{- HLINT ignore "Redundant do"        -}
 
 makeSimpleJsonIbBps :: LBS.ByteString -> Either String [(BS.ByteString, BS.ByteString)]
 makeSimpleJsonIbBps lbs = if enabledMakeSimpleJsonIbBps
diff --git a/src/HaskellWorks/Data/Json/Simd/Index/Standard.hs b/src/HaskellWorks/Data/Json/Simd/Index/Standard.hs
--- a/src/HaskellWorks/Data/Json/Simd/Index/Standard.hs
+++ b/src/HaskellWorks/Data/Json/Simd/Index/Standard.hs
@@ -25,8 +25,8 @@
 import qualified HaskellWorks.Data.Json.Simd.Internal.Foreign as F
 import qualified System.IO.Unsafe                             as IO
 
-{-# ANN module ("HLint: ignore Reduce duplication"  :: String) #-}
-{-# ANN module ("HLint: ignore Redundant do"        :: String) #-}
+{- HLINT ignore "Reduce duplication"  -}
+{- HLINT ignore "Redundant do"        -}
 
 makeStandardJsonIbBps :: LBS.ByteString -> Either String [(BS.ByteString, BS.ByteString)]
 makeStandardJsonIbBps lbs = if enabledMakeStandardJsonIbBps
diff --git a/src/HaskellWorks/Data/Json/Simd/Internal/Index/Simple.hs b/src/HaskellWorks/Data/Json/Simd/Internal/Index/Simple.hs
--- a/src/HaskellWorks/Data/Json/Simd/Internal/Index/Simple.hs
+++ b/src/HaskellWorks/Data/Json/Simd/Internal/Index/Simple.hs
@@ -12,8 +12,8 @@
 import qualified Foreign.ForeignPtr.Unsafe                    as F
 import qualified HaskellWorks.Data.Json.Simd.Internal.Foreign as F
 
-{-# ANN module ("HLint: ignore Reduce duplication"  :: String) #-}
-{-# ANN module ("HLint: ignore Redundant do"        :: String) #-}
+{- HLINT ignore "Reduce duplication"  -}
+{- HLINT ignore "Redundant do"        -}
 
 data WorkBuffers = WorkBuffers
   { workBuffersP :: !(ForeignPtr F.UInt8)
diff --git a/src/HaskellWorks/Data/Json/Simd/Internal/Index/Standard.hs b/src/HaskellWorks/Data/Json/Simd/Internal/Index/Standard.hs
--- a/src/HaskellWorks/Data/Json/Simd/Internal/Index/Standard.hs
+++ b/src/HaskellWorks/Data/Json/Simd/Internal/Index/Standard.hs
@@ -11,8 +11,8 @@
 import qualified HaskellWorks.Data.Json.Simd.Internal.Foreign as F
 import qualified HaskellWorks.Foreign                         as F
 
-{-# ANN module ("HLint: ignore Reduce duplication"  :: String) #-}
-{-# ANN module ("HLint: ignore Redundant do"        :: String) #-}
+{- HLINT ignore "Reduce duplication"  -}
+{- HLINT ignore "Redundant do"        -}
 
 data WorkBuffers = WorkBuffers
   { workBuffersF :: !(ForeignPtr F.UInt8)
