diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 5b31e1d..3a0dd8f 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -8,18 +8,19 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.19.20241220
+# version: 0.19.20260102
 #
-# REGENDATA ("0.19.20241220",["github","cabal.project"])
+# REGENDATA ("0.19.20260102",["github","cabal.project"])
 #
 name: Haskell-CI
 on:
   - push
   - pull_request
+  - merge_group
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes:
       60
     container:
@@ -28,14 +29,19 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.1
+          - compiler: ghc-9.14.1
             compilerKind: ghc
-            compilerVersion: 9.12.1
+            compilerVersion: 9.14.1
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.10.1
+          - compiler: ghc-9.12.2
             compilerKind: ghc
-            compilerVersion: 9.10.1
+            compilerVersion: 9.12.2
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.10.2
+            compilerKind: ghc
+            compilerVersion: 9.10.2
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.8.4
@@ -87,13 +93,12 @@ jobs:
       - name: Install GHCup
         run: |
           mkdir -p "$HOME/.ghcup/bin"
-          curl -sL https://downloads.haskell.org/ghcup/0.1.30.0/x86_64-linux-ghcup-0.1.30.0 > "$HOME/.ghcup/bin/ghcup"
+          curl -sL https://downloads.haskell.org/ghcup/0.1.50.1/x86_64-linux-ghcup-0.1.50.1 > "$HOME/.ghcup/bin/ghcup"
           chmod a+x "$HOME/.ghcup/bin/ghcup"
-      - name: Install cabal-install (prerelease)
+      - name: Install cabal-install
         run: |
-          "$HOME/.ghcup/bin/ghcup" config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-prereleases-0.0.8.yaml;
-          "$HOME/.ghcup/bin/ghcup" install cabal 3.15.0.0.2024.10.3 || (cat "$HOME"/.ghcup/logs/*.* && false)
-          echo "CABAL=$HOME/.ghcup/bin/cabal-3.15.0.0.2024.10.3 -vnormal+nowrap" >> "$GITHUB_ENV"
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.16.0.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.16.0.0 -vnormal+nowrap" >> "$GITHUB_ENV"
       - name: Install GHC (GHCup)
         if: matrix.setup-method == 'ghcup'
         run: |
@@ -171,14 +176,14 @@ jobs:
       - name: install cabal-docspec
         run: |
           mkdir -p $HOME/.cabal/bin
-          curl -sL https://github.com/phadej/cabal-extras/releases/download/cabal-docspec-0.0.0.20240703/cabal-docspec-0.0.0.20240703-x86_64-linux.xz > cabal-docspec.xz
-          echo '48bf3b7fd2f7f0caa6162afee57a755be8523e7f467b694900eb420f5f9a7b76  cabal-docspec.xz' | sha256sum -c -
+          curl -sL https://github.com/phadej/cabal-extras/releases/download/cabal-docspec-0.0.0.20250606/cabal-docspec-0.0.0.20250606-x86_64-linux.xz > cabal-docspec.xz
+          echo 'cc20bb5c19501b42bde77556bc419c7c0a5c8d1eb65663024d8a4e4c868bef25  cabal-docspec.xz' | sha256sum -c -
           xz -d < cabal-docspec.xz > $HOME/.cabal/bin/cabal-docspec
           rm -f cabal-docspec.xz
           chmod a+x $HOME/.cabal/bin/cabal-docspec
           cabal-docspec --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
@@ -203,7 +208,11 @@ jobs:
           touch cabal.project.local
           echo "packages: ${PKGDIR_data_fix}" >> cabal.project
           echo "package data-fix" >> cabal.project
-          echo "    ghc-options: -Werror=missing-methods" >> cabal.project
+          echo "    ghc-options: -Werror=missing-methods -Werror=missing-fields" >> cabal.project
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "package data-fix" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "    ghc-options: -Werror=unused-packages" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90000)) -ne 0 ] ; then echo "package data-fix" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90000)) -ne 0 ] ; then echo "    ghc-options: -Werror=incomplete-patterns -Werror=incomplete-uni-patterns" >> cabal.project ; fi
           cat >> cabal.project <<EOF
           EOF
           $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(data-fix)$/; }' >> cabal.project.local
diff --git a/data-fix.cabal b/data-fix.cabal
index e872183..e38aba8 100644
--- a/data-fix.cabal
+++ b/data-fix.cabal
@@ -1,7 +1,7 @@
 cabal-version:   2.2
 Name:            data-fix
 Version:         0.3.4
-x-revision:      1
+x-revision:      2
 License:         BSD-3-Clause
 License-file:    LICENSE
 Author:          Anton Kholomiov, Edward Kmett, Oleg Grenrus
@@ -29,8 +29,9 @@ Tested-With:
    || ==9.4.8
    || ==9.6.6
    || ==9.8.4
-   || ==9.10.1
-   || ==9.12.1
+   || ==9.10.2
+   || ==9.12.2
+   || ==9.14.1
 
 extra-source-files:
   CHANGELOG.md
@@ -51,6 +52,6 @@ library
       -Wredundant-constraints -Widentities -Wmissing-export-lists
 
   build-depends:
-    , base      >=4.12.0.0 && <4.22
+    , base      >=4.12.0.0 && <4.23
     , deepseq   >=1.4.4.0  && <1.6
     , hashable  >=1.4.4.0  && <1.6