diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 9578d605e..b93057cb1 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -174,7 +174,7 @@ jobs:
   cabal:
     strategy:
       matrix:
-        ghc: ['9.6.4', '9.8.2']
+        ghc: ['9.6.6', '9.8.2']
       fail-fast: false
     name: Cabal - Linux GHC ${{ matrix.ghc }}
     runs-on: ubuntu-22.04
@@ -189,8 +189,8 @@ jobs:
           path: |
             ~/.cabal/packages
             ~/.cabal/store
-          prefix: cabal-${{ matrix.ghc }}
-          suffix: ${{ hashFiles('postgrest.cabal', 'cabal.project', 'cabal.project.freeze') }}
+          prefix: cabal-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}
+          suffix: ${{ hashFiles('postgrest.cabal', 'cabal.project') }}
       - name: Cache dist-newstyle
         uses: ./.github/actions/cache-on-main
         with:
diff --git a/cabal.project.freeze b/cabal.project.freeze
index 54331ccce..9a875ecec 100644
--- a/cabal.project.freeze
+++ b/cabal.project.freeze
@@ -1 +1 @@
-index-state: hackage.haskell.org 2024-05-17T23:41:49Z
+index-state: hackage.haskell.org 2024-11-10T13:08:54Z
diff --git a/postgrest.cabal b/postgrest.cabal
index 556db7764..030cc9962 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -21,7 +21,7 @@ tested-with:
     -- nix, cabal on Ubuntu (arm)
   , GHC == 9.4.8
     -- cabal on Ubuntu
-  , GHC == 9.6.4
+  , GHC == 9.6.6
     -- cabal on Ubuntu
   , GHC == 9.8.2