diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index cf62a58..562b9f8 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -6,11 +6,11 @@
 #
 #   haskell-ci regenerate
 #
-# For more information, see https://github.com/haskell-CI/haskell-ci
+# For more information, see https://github.com/arybczak/haskell-ci
 #
-# version: 0.19.20251105
+# version: 0.19.20260721
 #
-# REGENDATA ("0.19.20251105",["github","--config=cabal.haskell-ci","cabal.project"])
+# REGENDATA ("0.19.20260721",["github","--config=cabal.haskell-ci","cabal.project"])
 #
 name: Haskell-CI
 on:
@@ -23,6 +23,11 @@ on:
   merge_group:
     branches:
       - master
+  workflow_dispatch:
+    {}
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}
@@ -30,14 +35,14 @@ jobs:
     timeout-minutes:
       60
     container:
-      image: buildpack-deps:jammy
+      image: buildpack-deps:resolute
     continue-on-error: ${{ matrix.allow-failure }}
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.12.2
+          - compiler: ghc-9.12.4
             compilerKind: ghc
-            compilerVersion: 9.12.2
+            compilerVersion: 9.12.4
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.10.3
@@ -55,7 +60,7 @@ jobs:
       - name: apt-get install
         run: |
           apt-get update
-          apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
+          apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common
       - name: Install GHCup
         run: |
           mkdir -p "$HOME/.ghcup/bin"
@@ -63,8 +68,8 @@ jobs:
           chmod a+x "$HOME/.ghcup/bin/ghcup"
       - name: Install cabal-install
         run: |
-          "$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" >> "$GITHUB_ENV"
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.16.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.16.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
       - name: Install GHC (GHCup)
         if: matrix.setup-method == 'ghcup'
         run: |
@@ -117,9 +122,9 @@ jobs:
           repository hackage.haskell.org
             url: http://hackage.haskell.org/
           EOF
+          echo "semaphore: True" >> $CABAL_CONFIG
           cat >> $CABAL_CONFIG <<EOF
-          program-default-options
-            ghc-options: $GHCJOBS +RTS -M3G -RTS
+          jobs: 4
           EOF
           cat $CABAL_CONFIG
       - name: versions
@@ -140,7 +145,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           path: source
       - name: initial cabal.project for sdist
@@ -179,15 +184,15 @@ jobs:
           $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
           cabal-plan
       - name: restore cache
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store
           restore-keys: ${{ runner.os }}-${{ matrix.compiler }}-
       - name: install dependencies
         run: |
-          $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --dependencies-only -j2 all
-          $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dependencies-only -j2 all
+          $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --dependencies-only all
+          $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dependencies-only all
       - name: build w/o tests
         run: |
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
@@ -207,7 +212,7 @@ jobs:
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
       - name: save cache
         if: always()
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store
diff --git a/ghc-tags.cabal b/ghc-tags.cabal
index cc2d9b5..7df1608 100644
--- a/ghc-tags.cabal
+++ b/ghc-tags.cabal
@@ -14,7 +14,7 @@ extra-source-files:  CHANGELOG.md
                      README.md
 homepage:            https://github.com/arybczak/ghc-tags
 bug-reports:         https://github.com/arybczak/ghc-tags/issues
-tested-with:         GHC == { 9.8.4, 9.10.3, 9.12.2 }
+tested-with:         GHC == { 9.8.4, 9.10.3, 9.12.4 }
 
 source-repository head
   type:     git