diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 337b8cf..8c50697 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        ghc: ['9.0']
+        ghc: ['9.0', '9.8']
         os: [ubuntu-20.04]
     name: ${{ matrix.os }} GHC ${{ matrix.ghc }}
     steps:
diff --git a/ftdi.cabal b/ftdi.cabal
index fc040a0..e1d6cd4 100644
--- a/ftdi.cabal
+++ b/ftdi.cabal
@@ -5,7 +5,7 @@ build-type:    Simple
 stability:     experimental
 author:        Roel van Dijk <vandijk.roel@gmail.com>, Ben Gamari <ben@smart-cactus.org>, David Cox <standardsemiconductor@gmail.com>
 maintainer:    David Cox <standardsemiconductor@gmail.com
-copyright:     (c) 2009, 2010 Roel van Dijk, (c) 2018 Ben Gamari, (c) 2021-2023 David Cox
+copyright:     (c) 2009, 2010 Roel van Dijk, (c) 2018 Ben Gamari, (c) 2021-2024 David Cox
 license:       BSD3
 license-file:  LICENSE
 category:      System, Hardware
@@ -25,8 +25,8 @@ library
   other-modules: System.FTDI.Internal
                , System.FTDI.Utils
   build-depends: async                >= 2.2   && < 2.3
-               , base                 >= 4.5   && < 4.17
-               , bytestring           >= 0.10  && < 0.12
+               , base                 >= 4.5   && < 4.21
+               , bytestring           >= 0.10  && < 0.13
                , transformers         >= 0.5   && < 0.7
                , usb                  >= 1.3   && < 1.4
                , vector               >= 0.12  && < 0.14
@@ -45,7 +45,7 @@ test-suite test
   default-language: Haskell2010
   build-depends: base
                , bytestring
-               , QuickCheck                 >= 2.11  && < 2.15
+               , QuickCheck                 >= 2.11  && < 2.16
                , generic-random             >= 1.3   && < 1.6
                , random                     >= 1.0.0 && < 1.3
                , tagged                     >= 0.8   && < 0.9