diff --git a/.github/workflows/ghc-9.10.yml b/.github/workflows/ghc-9.10.yml
index 000c0417..45ddd312 100644
--- a/.github/workflows/ghc-9.10.yml
+++ b/.github/workflows/ghc-9.10.yml
@@ -12,34 +12,26 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu, macos, windows]
+        os: [ubuntu, macos]
     steps:
-      - uses: haskell-actions/setup@v2
-        with:
-          ghc-version: '9.8.1'
-          enable-stack: true
-          stack-version: '2.15.7'
-      # - name: Upgrade stack from git
-      #   run: |-
-      #      stack upgrade --git
-      #      echo "$HOME/.local/bin" >> $GITHUB_PATH
-      #      which stack
-      #      stack --version
-      #   shell: bash
-      - name: Install build tools
+      - name: Install build tools (macOS)
         run: brew install automake
         if: matrix.os == 'macos'
-      - name: Configure
-        # e.g. Don't recursively delete '.stack-work' (`stack clean --full`)
-        run: echo "GHCLIB_AZURE='1'" >> $GITHUB_ENV
+      - name: Install stack
+        shell: bash
+        run: curl -sSL https://get.haskellstack.org/ | sh -s - -f
+      - name: Install ghcup (unix)
+        shell: bash
+        run: |-
+          curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_GHC_VERSION=9.8.2 BOOTSTRAP_HASKELL_CABAL_VERSION=latest BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK_HOOK=1 BOOTSTRAP_HASKELL_ADJUST_BASHRC=N sh
+          echo "$HOME/.ghcup/bin" >> $GITHUB_PATH
+          echo "$HOME/.ghcup/ghc/9.8.2/bin" >> $GITHUB_PATH
+        if: matrix.os == 'ubuntu' || matrix.os ==  'macos'
+      - name: Run hlint-from-scratch (unix)
         shell: bash
-      - name: Boot
         run: |-
-          cabal update
-          cabal install apply-refact
+          GHCLIB_AZURE=1; export GHCLIB_AZURE
           git clone https://github.com/shayne-fletcher/hlint-from-scratch.git
           hlint-from-scratch/hlint-from-scratch.sh --init="$HOME/project"
-        shell: bash
-      - name: Build and Test ('ghc-9.10.1')
-        run: hlint-from-scratch/hlint-from-scratch.sh --ghc-flavor="ghc-9.10.1" --stack-yaml=stack-exact.yaml --resolver=ghc-9.8.1 --no-checkout
-        shell: bash
+          hlint-from-scratch/hlint-from-scratch.sh --ghc-flavor="9.10.1" --stack-yaml=stack-exact.yaml --resolver=ghc-9.8.2 --no-checkout
+        if: matrix.os == 'ubuntu' || matrix.os == 'macos'
diff --git a/.github/workflows/ghc-next.yml b/.github/workflows/ghc-next.yml
index f028b442..8a3bbb7c 100644
--- a/.github/workflows/ghc-next.yml
+++ b/.github/workflows/ghc-next.yml
@@ -4,41 +4,34 @@ on:
     branches:
       - 'ghc-next*'
   schedule:
-    - cron:  '0 3 * * 5'
+    - cron:  '0 8 * * 6' # once a week. saturdays at 8am
 jobs:
-  ghc-9-10:
+  ghc-next:
     name: ${{ matrix.os }}
     runs-on: ${{ matrix.os }}-latest
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu, macos, windows]
+        os: [ubuntu, macos]
     steps:
-      - uses: haskell-actions/setup@v2
-        with:
-          ghc-version: '9.8.1'
-          enable-stack: true
-          stack-version: '2.15.7'
-      # - name: Upgrade stack from git
-      #   run: |-
-      #      stack upgrade --git
-      #      echo "$HOME/.local/bin" >> $GITHUB_PATH
-      #      which stack
-      #      stack --version
-      #   shell: bash
-      - name: Install build tools
+      - name: Install build tools (macOS)
         run: brew install automake
         if: matrix.os == 'macos'
-      - name: Configure
-        # e.g. Don't recursively delete '.stack-work' (`stack clean --full`)
-        run: echo "GHCLIB_AZURE='1'" >> $GITHUB_ENV
+      - name: Install stack
+        shell: bash
+        run: curl -sSL https://get.haskellstack.org/ | sh -s - -f
+      - name: Install ghcup (unix)
+        shell: bash
+        run: |-
+          curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_GHC_VERSION=9.8.2 BOOTSTRAP_HASKELL_CABAL_VERSION=latest BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK_HOOK=1 BOOTSTRAP_HASKELL_ADJUST_BASHRC=N sh
+          echo "$HOME/.ghcup/bin" >> $GITHUB_PATH
+          echo "$HOME/.ghcup/ghc/9.8.2/bin" >> $GITHUB_PATH
+        if: matrix.os == 'ubuntu' || matrix.os ==  'macos'
+      - name: Run hlint-from-scratch (unix)
         shell: bash
-      - name: Boot
         run: |-
-          cabal update
+          GHCLIB_AZURE=1; export GHCLIB_AZURE
           git clone https://github.com/shayne-fletcher/hlint-from-scratch.git
           hlint-from-scratch/hlint-from-scratch.sh --init="$HOME/project"
-        shell: bash
-      - name: Build and Test ('ghc-next')
-        run: hlint-from-scratch/hlint-from-scratch.sh --ghc-flavor="" --stack-yaml=stack-exact.yaml --resolver=ghc-9.8.1 --no-checkout
-        shell: bash
+          hlint-from-scratch/hlint-from-scratch.sh --ghc-flavor="ghc-master" --stack-yaml=stack-exact.yaml --resolver=ghc-9.8.2 --no-checkout
+        if: matrix.os == 'ubuntu' || matrix.os == 'macos'