diff --git a/.github/workflows/cabal.yml b/.github/workflows/cabal.yml
index 1eedef0..fca6fe3 100644
--- a/.github/workflows/cabal.yml
+++ b/.github/workflows/cabal.yml
@@ -15,7 +15,12 @@ jobs:
           - "9.2.8"
           - "9.4.7"
           - "9.6.3"
-          - "9.8.1"
+        include:
+          - repo: "hackage"
+          - ghc: "9.8.1"
+            repo: "github"
+          - ghc: "9.8.1"
+            repo: "hackage"
 
     steps:
       - uses: actions/checkout@v3
@@ -33,6 +38,16 @@ jobs:
           ghc-version: ${{ matrix.ghc }}
           cabal-version: ${{ matrix.cabal }}
 
+      - name: Configure the build
+        run: |
+          if [ ${{ matrix.repo }} == "github" ]
+          then
+            cp cabal.project.github cabal.project
+          fi
+          cabal configure --enable-tests --enable-benchmarks --disable-documentation
+          # generate dist-newstyle/cache/plan.json
+          cabal build all --dry-run
+
       - name: Cache ~/.cabal/packages, ~/.cabal/store and dist-newstyle
         uses: actions/cache@v3
         with:
@@ -40,7 +55,7 @@ jobs:
             ~/.cabal/packages
             ~/.cabal/store
             dist-newstyle
-          key: ${{ runner.os }}-${{ matrix.ghc }}-cabal-${{ hashFiles('**/*.cabal') }}
+          key: ${{ runner.os }}-${{ matrix.ghc }}-cabal-${{ hashFiles('**/*.cabal', './dist-newstyle/cache/plan.json') }}
 
       - name: Update package list
         run: cabal update
diff --git a/.github/workflows/stack.yml b/.github/workflows/stack.yml
index 6f5aeb8..4309057 100644
--- a/.github/workflows/stack.yml
+++ b/.github/workflows/stack.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    name: ghc ${{ matrix.ghc }}
+    name: ghc ${{ matrix.ghc }} - ${{ matrix.repo }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -15,7 +15,12 @@ jobs:
           - "9.2.8"
           - "9.4.7"
           - "9.6.3"
-          - "9.8.1"
+        include:
+          - repo: "hackage"
+          - ghc: "9.8.1"
+            repo: "github"
+          - ghc: "9.8.1"
+            repo: "hackage"
 
     steps:
       - uses: actions/checkout@v3
@@ -35,13 +40,22 @@ jobs:
           enable-stack: true
           stack-version: "latest"
 
+      - name: Configure the build
+        run: |
+          if [ ${{ matrix.repo }} == "hackage" ]
+          then
+            sed "s/\.\././g" ./stack/stack-${{ matrix.ghc }}.yaml > stack.yaml
+          fi
+          # generate stack.yaml.lock
+          stack build --no-terminal --dry-run
+
       - name: Cache ~/.stack and .stack-work
         uses: actions/cache@v3
         with:
           path: |
             ~/.stack
             .stack-work
-          key: ${{ runner.os }}-${{ matrix.ghc }}-stack-${{ hashFiles('**/*.cabal', './stack/stack-${{ matrix.ghc }}.yaml') }}
+          key: ${{ runner.os }}-${{ matrix.ghc }}-stack-${{ hashFiles('**/*.cabal', './stack.yaml', './stack.yaml.lock') }}
 
       - name: Build
-        run: stack build --no-terminal --stack-yaml=./stack/stack-${{ matrix.ghc }}.yaml
+        run: stack build --no-terminal
diff --git a/stack/stack-9.8.1.yaml b/stack/stack-9.8.1.yaml
index bf068ae..68ecc4e 100644
--- a/stack/stack-9.8.1.yaml
+++ b/stack/stack-9.8.1.yaml
@@ -10,7 +10,7 @@ extra-deps:
   - liquidhaskell-0.9.8.1
   - liquidhaskell-boot-0.9.8.1
   - liquid-fixpoint-0.9.6.3
-  - liquid-prelude-0.9.2.8.1
+  - liquid-prelude-0.9.2.8.1@rev:1
   - liquid-vector-0.13.1.0.1
 
 nix: