diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index a5647ae..be985ef 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: 0.12
+# version: 0.13.20211030
 #
-# REGENDATA ("0.12",["github","cabal.project"])
+# REGENDATA ("0.13.20211030",["github","cabal.project"])
 #
 name: Haskell-CI
 on:
@@ -36,49 +36,71 @@ jobs:
       matrix:
         include:
           - compiler: ghc-9.0.1
+            compilerKind: ghc
+            compilerVersion: 9.0.1
+            setup-method: hvr-ppa
             allow-failure: false
             upload: true
           - compiler: ghc-8.10.4
+            compilerKind: ghc
+            compilerVersion: 8.10.4
+            setup-method: hvr-ppa
             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
           - compiler: ghc-8.4.4
+            compilerKind: ghc
+            compilerVersion: 8.4.4
+            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
+          apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
           apt-add-repository -y 'ppa:hvr/ghc'
           apt-get update
-          apt-get install -y $CC cabal-install-3.4 libx11-dev libxext-dev libxinerama-dev libxrandr-dev libxss-dev
+          apt-get install -y "$HCNAME" libx11-dev libxext-dev libxinerama-dev libxrandr-dev libxss-dev
+          mkdir -p "$HOME/.ghcup/bin"
+          curl -sL https://downloads.haskell.org/ghcup/0.1.17.3/x86_64-linux-ghcup-0.1.17.3 > "$HOME/.ghcup/bin/ghcup"
+          chmod a+x "$HOME/.ghcup/bin/ghcup"
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0
         env:
-          CC: ${{ matrix.compiler }}
+          HCKIND: ${{ matrix.compilerKind }}
+          HCNAME: ${{ matrix.compiler }}
+          HCVER: ${{ matrix.compilerVersion }}
       - name: Set PATH and environment variables
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
-          echo "LANG=C.UTF-8" >> $GITHUB_ENV
-          echo "CABAL_DIR=$HOME/.cabal" >> $GITHUB_ENV
-          echo "CABAL_CONFIG=$HOME/.cabal/config" >> $GITHUB_ENV
-          HCDIR=$(echo "/opt/$CC" | sed 's/-/\//')
-          HCNAME=ghc
-          HC=$HCDIR/bin/$HCNAME
-          echo "HC=$HC" >> $GITHUB_ENV
-          echo "HCPKG=$HCDIR/bin/$HCNAME-pkg" >> $GITHUB_ENV
-          echo "HADDOCK=$HCDIR/bin/haddock" >> $GITHUB_ENV
-          echo "CABAL=/opt/cabal/3.4/bin/cabal -vnormal+nowrap" >> $GITHUB_ENV
+          echo "LANG=C.UTF-8" >> "$GITHUB_ENV"
+          echo "CABAL_DIR=$HOME/.cabal" >> "$GITHUB_ENV"
+          echo "CABAL_CONFIG=$HOME/.cabal/config" >> "$GITHUB_ENV"
+          HCDIR=/opt/$HCKIND/$HCVER
+          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-3.6.2.0 -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
-          echo "ARG_BENCH=--enable-benchmarks" >> $GITHUB_ENV
-          echo "HEADHACKAGE=false" >> $GITHUB_ENV
-          echo "ARG_COMPILER=--$HCNAME --with-compiler=$HC" >> $GITHUB_ENV
-          echo "GHCJSARITH=0" >> $GITHUB_ENV
+          echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
+          echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV"
+          echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
+          echo "HEADHACKAGE=false" >> "$GITHUB_ENV"
+          echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
+          echo "GHCJSARITH=0" >> "$GITHUB_ENV"
         env:
-          CC: ${{ matrix.compiler }}
+          HCKIND: ${{ matrix.compilerKind }}
+          HCNAME: ${{ matrix.compiler }}
+          HCVER: ${{ matrix.compilerVersion }}
       - name: env
         run: |
           env
@@ -139,7 +161,8 @@ jobs:
       - name: generate cabal.project
         run: |
           PKGDIR_xmonad="$(find "$GITHUB_WORKSPACE/unpacked" -maxdepth 1 -type d -regex '.*/xmonad-[0-9.]*')"
-          echo "PKGDIR_xmonad=${PKGDIR_xmonad}" >> $GITHUB_ENV
+          echo "PKGDIR_xmonad=${PKGDIR_xmonad}" >> "$GITHUB_ENV"
+          rm -f cabal.project cabal.project.local
           touch cabal.project
           touch cabal.project.local
           echo "packages: ${PKGDIR_xmonad}" >> cabal.project