diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 27e1c703..433a4cf8 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -163,7 +163,7 @@ jobs:
       - name: cache (tools)
         uses: actions/cache/restore@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-ff63ec70
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-e88c451c
           path: ~/.haskell-ci-tools
       - name: install cabal-plan
         run: |
@@ -191,7 +191,7 @@ jobs:
         if: always()
         uses: actions/cache/save@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-ff63ec70
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-e88c451c
           path: ~/.haskell-ci-tools
       - name: checkout
         uses: actions/checkout@v4
diff --git a/fixtures/all-versions.github b/fixtures/all-versions.github
index 142ee3bc..be3ff603 100644
--- a/fixtures/all-versions.github
+++ b/fixtures/all-versions.github
@@ -28,10 +28,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.0.20241128
+          - compiler: ghc-9.12.1
             compilerKind: ghc
-            compilerVersion: 9.12.0.20241128
-            setup-method: ghcup-prerelease
+            compilerVersion: 9.12.1
+            setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.10.1
             compilerKind: ghc
@@ -342,21 +342,6 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
-      - name: Install GHC (GHCup prerelease)
-        if: matrix.setup-method == 'ghcup-prerelease'
-        run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-        env:
-          HCKIND: ${{ matrix.compilerKind }}
-          HCNAME: ${{ matrix.compiler }}
-          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
diff --git a/fixtures/doctest-version.github b/fixtures/doctest-version.github
index d247ec72..db27975e 100644
--- a/fixtures/doctest-version.github
+++ b/fixtures/doctest-version.github
@@ -28,10 +28,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.0.20241128
+          - compiler: ghc-9.12.1
             compilerKind: ghc
-            compilerVersion: 9.12.0.20241128
-            setup-method: ghcup-prerelease
+            compilerVersion: 9.12.1
+            setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.10.1
             compilerKind: ghc
@@ -342,21 +342,6 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
-      - name: Install GHC (GHCup prerelease)
-        if: matrix.setup-method == 'ghcup-prerelease'
-        run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-        env:
-          HCKIND: ${{ matrix.compilerKind }}
-          HCNAME: ${{ matrix.compiler }}
-          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
@@ -423,7 +408,7 @@ jobs:
       - name: cache (tools)
         uses: actions/cache/restore@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-58bfb495
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-7adc43de
           path: ~/.haskell-ci-tools
       - name: install cabal-plan
         run: |
@@ -442,7 +427,7 @@ jobs:
         if: always()
         uses: actions/cache/save@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-58bfb495
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-7adc43de
           path: ~/.haskell-ci-tools
       - name: checkout
         uses: actions/checkout@v4
diff --git a/fixtures/doctest.github b/fixtures/doctest.github
index 108453dc..61a7e4a3 100644
--- a/fixtures/doctest.github
+++ b/fixtures/doctest.github
@@ -28,10 +28,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.0.20241128
+          - compiler: ghc-9.12.1
             compilerKind: ghc
-            compilerVersion: 9.12.0.20241128
-            setup-method: ghcup-prerelease
+            compilerVersion: 9.12.1
+            setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.10.1
             compilerKind: ghc
@@ -342,21 +342,6 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
-      - name: Install GHC (GHCup prerelease)
-        if: matrix.setup-method == 'ghcup-prerelease'
-        run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-        env:
-          HCKIND: ${{ matrix.compilerKind }}
-          HCNAME: ${{ matrix.compiler }}
-          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
@@ -423,7 +408,7 @@ jobs:
       - name: cache (tools)
         uses: actions/cache/restore@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-ae4cd18b
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-cc3c62c0
           path: ~/.haskell-ci-tools
       - name: install cabal-plan
         run: |
@@ -442,7 +427,7 @@ jobs:
         if: always()
         uses: actions/cache/save@v4
         with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-ae4cd18b
+          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-cc3c62c0
           path: ~/.haskell-ci-tools
       - name: checkout
         uses: actions/checkout@v4
diff --git a/fixtures/empty-line.github b/fixtures/empty-line.github
index e440b055..5eed8078 100644
--- a/fixtures/empty-line.github
+++ b/fixtures/empty-line.github
@@ -178,21 +178,6 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
-      - name: Install GHC (GHCup prerelease)
-        if: matrix.setup-method == 'ghcup-prerelease'
-        run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-        env:
-          HCKIND: ${{ matrix.compilerKind }}
-          HCNAME: ${{ matrix.compiler }}
-          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
diff --git a/fixtures/enabled-jobs.github b/fixtures/enabled-jobs.github
index 785dbdc8..81976c2e 100644
--- a/fixtures/enabled-jobs.github
+++ b/fixtures/enabled-jobs.github
@@ -28,10 +28,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.0.20241128
+          - compiler: ghc-9.12.1
             compilerKind: ghc
-            compilerVersion: 9.12.0.20241128
-            setup-method: ghcup-prerelease
+            compilerVersion: 9.12.1
+            setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.10.1
             compilerKind: ghc
@@ -342,21 +342,6 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
-      - name: Install GHC (GHCup prerelease)
-        if: matrix.setup-method == 'ghcup-prerelease'
-        run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-        env:
-          HCKIND: ${{ matrix.compilerKind }}
-          HCNAME: ${{ matrix.compiler }}
-          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
diff --git a/fixtures/messy.github b/fixtures/messy.github
index 8db06394..437ecedb 100644
--- a/fixtures/messy.github
+++ b/fixtures/messy.github
@@ -179,21 +179,6 @@ jobs:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
           HCVER: ${{ matrix.compilerVersion }}
-      - name: Install GHC (GHCup prerelease)
-        if: matrix.setup-method == 'ghcup-prerelease'
-        run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-        env:
-          HCKIND: ${{ matrix.compilerKind }}
-          HCNAME: ${{ matrix.compiler }}
-          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
diff --git a/haskell-ci.cabal b/haskell-ci.cabal
index b084e7e2..4c3903ca 100644
--- a/haskell-ci.cabal
+++ b/haskell-ci.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               haskell-ci
-version:            0.19.20241218
+version:            0.19.20241219
 synopsis:           Haskell CI script generator
 description:
   Script generator (@haskell-ci@) for
diff --git a/src/HaskellCI/Config/History.hs b/src/HaskellCI/Config/History.hs
index d930caec..f2cdb656 100644
--- a/src/HaskellCI/Config/History.hs
+++ b/src/HaskellCI/Config/History.hs
@@ -54,6 +54,14 @@ configHistory =
         & field @"cfgVersionMapping" .~ Map.singleton (mkVersion [9,12,1]) (mkVersion [9,12,0,20241128])
     , ver 0 19 20241218 := \cfg -> cfg
         & field @"cfgCabalInstallVersion" ?~ C.mkVersion [3,15,0,0,2024,10,3]
+    , ver 0 19 20241202 := \cfg -> cfg
+        & field @"cfgVersionMapping" .~ mempty
+        & field @"cfgSetupMethods" .~ PerSetupMethod
+            { hvrPpa          = C.noVersion
+            , ghcup           = invertVersionRange (C.withinVersion (C.mkVersion [9,8,3]))
+            , ghcupVanilla    = C.withinVersion (C.mkVersion [9,8,3])
+            , ghcupPrerelease = C.noVersion
+            }
     ]
   where
     ver x y z = [x, y, z]