diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index a0f3962..2676a4c 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -8,9 +8,9 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.16.3
+# version: 0.16.6
 #
-# REGENDATA ("0.16.3",["github","aws-arn.cabal","--hlint","--doctest"])
+# REGENDATA ("0.16.6",["github","aws-arn.cabal","--hlint","--doctest"])
 #
 name: Haskell-CI
 on:
@@ -28,9 +28,14 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.2.1
+          - compiler: ghc-9.4.5
             compilerKind: ghc
-            compilerVersion: 9.2.1
+            compilerVersion: 9.4.5
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.2.5
+            compilerKind: ghc
+            compilerVersion: 9.2.5
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.0.2
@@ -43,37 +48,17 @@ jobs:
             compilerVersion: 8.10.7
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-8.8.4
-            compilerKind: ghc
-            compilerVersion: 8.8.4
-            setup-method: hvr-ppa
-            allow-failure: false
-          - compiler: ghc-8.6.5
-            compilerKind: ghc
-            compilerVersion: 8.6.5
-            setup-method: hvr-ppa
-            allow-failure: false
       fail-fast: false
     steps:
       - name: apt
         run: |
           apt-get update
           apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
-          if [ "${{ matrix.setup-method }}" = ghcup ]; then
-            mkdir -p "$HOME/.ghcup/bin"
-            curl -sL https://downloads.haskell.org/ghcup/0.1.19.2/x86_64-linux-ghcup-0.1.19.2 > "$HOME/.ghcup/bin/ghcup"
-            chmod a+x "$HOME/.ghcup/bin/ghcup"
-            "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-            "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
-          else
-            apt-add-repository -y 'ppa:hvr/ghc'
-            apt-get update
-            apt-get install -y "$HCNAME"
-            mkdir -p "$HOME/.ghcup/bin"
-            curl -sL https://downloads.haskell.org/ghcup/0.1.19.2/x86_64-linux-ghcup-0.1.19.2 > "$HOME/.ghcup/bin/ghcup"
-            chmod a+x "$HOME/.ghcup/bin/ghcup"
-            "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
-          fi
+          mkdir -p "$HOME/.ghcup/bin"
+          curl -sL https://downloads.haskell.org/ghcup/0.1.19.2/x86_64-linux-ghcup-0.1.19.2 > "$HOME/.ghcup/bin/ghcup"
+          chmod a+x "$HOME/.ghcup/bin/ghcup"
+          "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
         env:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
@@ -85,20 +70,11 @@ jobs:
           echo "CABAL_DIR=$HOME/.cabal" >> "$GITHUB_ENV"
           echo "CABAL_CONFIG=$HOME/.cabal/config" >> "$GITHUB_ENV"
           HCDIR=/opt/$HCKIND/$HCVER
-          if [ "${{ matrix.setup-method }}" = ghcup ]; then
-            HC=$HOME/.ghcup/bin/$HCKIND-$HCVER
-            echo "HC=$HC" >> "$GITHUB_ENV"
-            echo "HCPKG=$HOME/.ghcup/bin/$HCKIND-pkg-$HCVER" >> "$GITHUB_ENV"
-            echo "HADDOCK=$HOME/.ghcup/bin/haddock-$HCVER" >> "$GITHUB_ENV"
-            echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
-          else
-            HC=$HCDIR/bin/$HCKIND
-            echo "HC=$HC" >> "$GITHUB_ENV"
-            echo "HCPKG=$HCDIR/bin/$HCKIND-pkg" >> "$GITHUB_ENV"
-            echo "HADDOCK=$HCDIR/bin/haddock" >> "$GITHUB_ENV"
-            echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
-          fi
-
+          HC=$HOME/.ghcup/bin/$HCKIND-$HCVER
+          echo "HC=$HC" >> "$GITHUB_ENV"
+          echo "HCPKG=$HOME/.ghcup/bin/$HCKIND-pkg-$HCVER" >> "$GITHUB_ENV"
+          echo "HADDOCK=$HOME/.ghcup/bin/haddock-$HCVER" >> "$GITHUB_ENV"
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
           HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
           echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
           echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV"
@@ -165,10 +141,10 @@ jobs:
           doctest --version
       - name: install hlint
         run: |
-          if [ $((HCNUMVER >= 90200)) -ne 0 ] ; then HLINTVER=$(cd /tmp && (${CABAL} v2-install -v $ARG_COMPILER --dry-run hlint  --constraint='hlint >=3.5 && <3.6' |  perl -ne 'if (/\bhlint-(\d+(\.\d+)*)\b/) { print "$1"; last; }')); echo "HLint version $HLINTVER" ; fi
-          if [ $((HCNUMVER >= 90200)) -ne 0 ] ; then if [ ! -e $HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint ]; then echo "Downloading HLint version $HLINTVER"; mkdir -p $HOME/.haskell-ci-tools; curl --write-out 'Status Code: %{http_code} Redirects: %{num_redirects} Total time: %{time_total} Total Dsize: %{size_download}\n' --silent --location --output $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz "https://github.com/ndmitchell/hlint/releases/download/v$HLINTVER/hlint-$HLINTVER-x86_64-linux.tar.gz"; tar -xzv -f $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz -C $HOME/.haskell-ci-tools; fi ; fi
-          if [ $((HCNUMVER >= 90200)) -ne 0 ] ; then mkdir -p $CABAL_DIR/bin && ln -sf "$HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint" $CABAL_DIR/bin/hlint ; fi
-          if [ $((HCNUMVER >= 90200)) -ne 0 ] ; then hlint --version ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then HLINTVER=$(cd /tmp && (${CABAL} v2-install -v $ARG_COMPILER --dry-run hlint  --constraint='hlint >=3.5 && <3.6' |  perl -ne 'if (/\bhlint-(\d+(\.\d+)*)\b/) { print "$1"; last; }')); echo "HLint version $HLINTVER" ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then if [ ! -e $HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint ]; then echo "Downloading HLint version $HLINTVER"; mkdir -p $HOME/.haskell-ci-tools; curl --write-out 'Status Code: %{http_code} Redirects: %{num_redirects} Total time: %{time_total} Total Dsize: %{size_download}\n' --silent --location --output $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz "https://github.com/ndmitchell/hlint/releases/download/v$HLINTVER/hlint-$HLINTVER-x86_64-linux.tar.gz"; tar -xzv -f $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz -C $HOME/.haskell-ci-tools; fi ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then mkdir -p $CABAL_DIR/bin && ln -sf "$HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint" $CABAL_DIR/bin/hlint ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then hlint --version ; fi
       - name: save cache (tools)
         uses: actions/cache/save@v3
         if: always()
@@ -236,7 +212,7 @@ jobs:
           doctest  -XHaskell2010 src
       - name: hlint
         run: |
-          if [ $((HCNUMVER >= 90200)) -ne 0 ] ; then (cd ${PKGDIR_aws_arn} && hlint -XHaskell2010 src) ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then (cd ${PKGDIR_aws_arn} && hlint -XHaskell2010 src) ; fi
       - name: cabal check
         run: |
           cd ${PKGDIR_aws_arn} || false