diff --git a/.github/workflows/cabal.yml b/.github/workflows/cabal.yml
index 08c2b3b..9cbe970 100644
--- a/.github/workflows/cabal.yml
+++ b/.github/workflows/cabal.yml
@@ -14,9 +14,9 @@ jobs:
       matrix:
         cabal: ["3.10"]
         vers:
-          - {ghc: "9.2.8", stackage: "lts-20.26"}
-          - {ghc: "9.4.8", stackage: "lts-21.25"}
-          - {ghc: "9.6.5", stackage: "lts-22.22"}
+          # - {ghc: "9.2.8", stackage: "lts-20.26"}
+          # - {ghc: "9.4.8", stackage: "lts-21.25"}
+          # - {ghc: "9.6.5", stackage: "lts-22.22"}
           - {ghc: "9.8.2", stackage: "nightly-2024-05-18"}
 
     steps:
@@ -27,16 +27,16 @@ jobs:
       with:
         ghc-version: ${{ matrix.vers.ghc }}
         cabal-version: ${{ matrix.cabal }}
+        cabal-update: true
 
     - uses: actions/cache@v4
       name: cache ~/.cabal/store
       with:
         path: ~/.cabal/store
-        key: ${{ runner.os }}-cabal-${{ matrix.cabal }}-ghc-${{ matrix.vers.ghc }}-cabal
+        key: ${{ runner.os }}-cabal-${{ matrix.cabal }}-ghc-${{ matrix.vers.ghc }}
 
     - name: build
       run: |
-        cabal update
         cabal install dhall-1.42.1
         GHC_VERSION=${{ matrix.vers.ghc }} STACKAGE_VERSION=${{ matrix.vers.stackage }} make -f project-files.mk
         cabal build all --enable-tests