diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2ace7ffe98..65ed64684e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -247,7 +247,7 @@ jobs:
   Build-Cabal:
     strategy:
       matrix:
-        ghc: ['9.4.8']
+        ghc: ['9.4.8', '9.6.4']
       fail-fast: false
     name: Build Linux (Cabal, GHC ${{ matrix.ghc }})
     runs-on: ubuntu-latest
diff --git a/postgrest.cabal b/postgrest.cabal
index 689ef77cd4..f8a0bd133a 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -75,7 +75,7 @@ library
                       PostgREST.Response.Performance
                       PostgREST.Version
   other-modules:      Paths_postgrest
-  build-depends:      base                      >= 4.9 && < 4.18
+  build-depends:      base                      >= 4.9 && < 4.19
                     , HTTP                      >= 4000.3.7 && < 4000.5
                     , Ranged-sets               >= 0.3 && < 0.5
                     , aeson                     >= 2.0.3 && < 2.2
@@ -107,7 +107,7 @@ library
                     , jose                      >= 0.8.5.1 && < 0.11
                     , lens                      >= 4.14 && < 5.3
                     , lens-aeson                >= 1.0.1 && < 1.3
-                    , mtl                       >= 2.2.2 && < 2.3
+                    , mtl                       >= 2.2.2 && < 2.4
                     , network                   >= 2.6 && < 3.2
                     , network-uri               >= 2.6.1 && < 2.8
                     , optparse-applicative      >= 0.13 && < 0.18
@@ -159,7 +159,7 @@ executable postgrest
                       NoImplicitPrelude
   hs-source-dirs:     main
   main-is:            Main.hs
-  build-depends:      base                >= 4.9 && < 4.18
+  build-depends:      base                >= 4.9 && < 4.19
                     , containers          >= 0.5.7 && < 0.7
                     , postgrest
                     , protolude           >= 0.3.1 && < 0.4
@@ -233,7 +233,7 @@ test-suite spec
                       Feature.RollbackSpec
                       Feature.RpcPreRequestGucsSpec
                       SpecHelper
-  build-depends:      base              >= 4.9 && < 4.18
+  build-depends:      base              >= 4.9 && < 4.19
                     , aeson             >= 2.0.3 && < 2.2
                     , aeson-qq          >= 0.8.1 && < 0.9
                     , async             >= 2.1.1 && < 2.3
@@ -275,7 +275,7 @@ test-suite doctests
                       NoImplicitPrelude
   hs-source-dirs:     test/doc
   main-is:            Main.hs
-  build-depends:      base              >= 4.9 && < 4.18
+  build-depends:      base              >= 4.9 && < 4.19
                     , doctest           >= 0.8
                     , postgrest
                     , pretty-simple