diff --git a/hw-streams.cabal b/hw-streams.cabal
--- a/hw-streams.cabal
+++ b/hw-streams.cabal
@@ -1,7 +1,7 @@
 cabal-version:  2.2
 
 name:                   hw-streams
-version:                0.0.1.0
+version:                0.0.1.1
 synopsis:               Primitive functions and data types
 description:            Primitive functions and data types.
 category:               Data
@@ -10,10 +10,10 @@
 bug-reports:            https://github.com/haskell-works/hw-streams/issues
 author:                 John Ky
 maintainer:             newhoggy@gmail.com
-copyright:              2016-2020 John Ky
+copyright:              2016-2021 John Ky
 license:                BSD-3-Clause
 license-file:           LICENSE
-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
 build-type:             Simple
 extra-source-files:     README.md
 
@@ -28,23 +28,23 @@
 
 common base                       { build-depends: base                       >= 4.11       && < 5      }
 
-common bytestring                 { build-depends: bytestring                 >= 0.9        && < 0.11   }
-common criterion                  { build-depends: criterion                  >= 1.2        && < 1.6    }
+common bytestring                 { build-depends: bytestring                 >= 0.9        && < 0.13   }
+common criterion                  { build-depends: criterion                  >= 1.2        && < 1.7    }
 common directory                  { build-depends: directory                  >= 1.2        && < 1.4    }
-common doctest                    { build-depends: doctest                    >= 0.16.2     && < 0.17   }
+common doctest                    { build-depends: doctest                    >= 0.16.2     && < 1.0    }
 common doctest-discover           { build-depends: doctest-discover           >= 0.2        && < 0.3    }
 common exceptions                 { build-depends: exceptions                 >= 0.8        && < 0.11   }
-common ghc-prim                   { build-depends: ghc-prim                   >= 0.4        && < 0.7    }
-common hedgehog                   { build-depends: hedgehog                   >= 0.5        && < 1.1    }
-common hspec                      { build-depends: hspec                      >= 2.4        && < 2.8    }
+common ghc-prim                   { build-depends: ghc-prim                   >= 0.4        && < 0.12   }
+common hedgehog                   { build-depends: hedgehog                   >= 0.5        && < 2      }
+common hspec                      { build-depends: hspec                      >= 2.4        && < 3      }
 common hw-bits                    { build-depends: hw-bits                    >= 0.7.0.3    && < 0.8    }
 common hw-hspec-hedgehog          { build-depends: hw-hspec-hedgehog          >= 0.1        && < 0.2    }
 common hw-prim                    { build-depends: hw-prim                    >= 0.6.2.17   && < 0.7    }
 common mmap                       { build-depends: mmap                       >= 0.5        && < 0.6    }
-common primitive                  { build-depends: primitive                  >= 0.6.3.0    && < 0.8    }
+common primitive                  { build-depends: primitive                  >= 0.6.3.0    && < 0.10   }
 common QuickCheck                 { build-depends: QuickCheck                 >= 2.10       && < 2.15   }
-common transformers               { build-depends: transformers               >= 0.4        && < 0.6    }
-common vector                     { build-depends: vector                     >= 0.12       && < 0.13   }
+common transformers               { build-depends: transformers               >= 0.4        && < 0.7    }
+common vector                     { build-depends: vector                     >= 0.12       && < 0.14   }
 
 common config
   if flag(bounds-checking-enabled)
@@ -131,7 +131,7 @@
                       , doctest-discover
                       , hw-streams
   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/Streams/Stream/Ops.hs b/src/HaskellWorks/Data/Streams/Stream/Ops.hs
--- a/src/HaskellWorks/Data/Streams/Stream/Ops.hs
+++ b/src/HaskellWorks/Data/Streams/Stream/Ops.hs
@@ -14,7 +14,7 @@
 import qualified HaskellWorks.Data.Streams.Stream as HW
 
 ltWord :: Word64 -> Word64 -> Word64
-ltWord (W64# a#) (W64# b#) = fromIntegral (I64# (ltWord# a# b#))
+ltWord (W64# a#) (W64# b#) = fromIntegral (I# (ltWord64# a# b#))
 {-# INLINE ltWord #-}
 
 comp :: Stream Word64 -> Stream Word64
diff --git a/test/HaskellWorks/Data/Streams/Stream/OpsSpec.hs b/test/HaskellWorks/Data/Streams/Stream/OpsSpec.hs
--- a/test/HaskellWorks/Data/Streams/Stream/OpsSpec.hs
+++ b/test/HaskellWorks/Data/Streams/Stream/OpsSpec.hs
@@ -14,7 +14,7 @@
 import qualified HaskellWorks.Data.Streams.Stream.Ops      as S
 import qualified HaskellWorks.Data.Streams.Vector.Storable as SDVS
 
-{-# ANN module ("HLint: ignore Redundant do" :: String) #-}
+{- HLINT ignore "Redundant do"        -}
 
 spec :: Spec
 spec = describe "HaskellWorks.Data.Stream.Vector.StorableSpec" $ do
diff --git a/test/HaskellWorks/Data/Streams/Vector/StorableSpec.hs b/test/HaskellWorks/Data/Streams/Vector/StorableSpec.hs
--- a/test/HaskellWorks/Data/Streams/Vector/StorableSpec.hs
+++ b/test/HaskellWorks/Data/Streams/Vector/StorableSpec.hs
@@ -15,7 +15,7 @@
 import qualified Hedgehog.Range                            as R
 import qualified Test.Gen                                  as G
 
-{-# ANN module ("HLint: ignore Redundant do" :: String) #-}
+{- HLINT ignore "Redundant do"        -}
 
 spec :: Spec
 spec = describe "HaskellWorks.Data.Stream.Vector.StorableSpec" $ do