diff --git a/.github/workflows/cabal-mac-win.yml b/.github/workflows/cabal-mac-win.yml
index 3227b66..9db773c 100644
--- a/.github/workflows/cabal-mac-win.yml
+++ b/.github/workflows/cabal-mac-win.yml
@@ -18,8 +18,9 @@ jobs:
         ghc:
           - 9.2.8
           - 9.4.8
-          - 9.6.5
+          - 9.6.6
           - 9.8.2
+          - 9.10.1
       fail-fast: false
 
     steps:
diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 40a3df1..2298af3 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -8,9 +8,9 @@
 #
 # For more information, see https://github.com/andreasabel/haskell-ci
 #
-# version: 0.19.20240429
+# version: 0.19.20240703
 #
-# REGENDATA ("0.19.20240429",["github","text-icu.cabal"])
+# REGENDATA ("0.19.20240703",["github","text-icu.cabal"])
 #
 name: Haskell-CI
 on:
@@ -32,9 +32,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.10.0.20240426
+          - compiler: ghc-9.10.1
             compilerKind: ghc
-            compilerVersion: 9.10.0.20240426
+            compilerVersion: 9.10.1
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.8.2
@@ -42,9 +42,9 @@ jobs:
             compilerVersion: 9.8.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.6.5
+          - compiler: ghc-9.6.6
             compilerKind: ghc
-            compilerVersion: 9.6.5
+            compilerVersion: 9.6.6
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.4.8
@@ -101,9 +101,8 @@ jobs:
           mkdir -p "$HOME/.ghcup/bin"
           curl -sL https://downloads.haskell.org/ghcup/0.1.20.0/x86_64-linux-ghcup-0.1.20.0 > "$HOME/.ghcup/bin/ghcup"
           chmod a+x "$HOME/.ghcup/bin/ghcup"
-          "$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 "$HOME"/.ghcup/logs/*.* && false)
-          "$HOME/.ghcup/bin/ghcup" install cabal 3.10.3.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.12.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
         env:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
@@ -121,12 +120,12 @@ jobs:
           echo "HC=$HC" >> "$GITHUB_ENV"
           echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
           echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-          echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.3.0 -vnormal+nowrap" >> "$GITHUB_ENV"
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.12.1.0 -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"
           echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
-          if [ $((HCNUMVER >= 91000)) -ne 0 ] ; then echo "HEADHACKAGE=true" >> "$GITHUB_ENV" ; else echo "HEADHACKAGE=false" >> "$GITHUB_ENV" ; fi
+          echo "HEADHACKAGE=false" >> "$GITHUB_ENV"
           echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
           echo "GHCJSARITH=0" >> "$GITHUB_ENV"
         env:
@@ -155,18 +154,6 @@ jobs:
           repository hackage.haskell.org
             url: http://hackage.haskell.org/
           EOF
-          if $HEADHACKAGE; then
-          cat >> $CABAL_CONFIG <<EOF
-          repository head.hackage.ghc.haskell.org
-             url: https://ghc.gitlab.haskell.org/head.hackage/
-             secure: True
-             root-keys: 7541f32a4ccca4f97aea3b22f5e593ba2c0267546016b992dfadcd2fe944e55d
-                        26021a13b401500c8eb2761ca95c61f2d625bfef951b939a8124ed12ecf07329
-                        f76d08be13e9a61a377a85e2fb63f4c5435d40f8feb3e12eb05905edb8cdea89
-             key-threshold: 3
-          active-repositories: hackage.haskell.org, head.hackage.ghc.haskell.org:override
-          EOF
-          fi
           cat >> $CABAL_CONFIG <<EOF
           program-default-options
             ghc-options: $GHCJOBS +RTS -M3G -RTS
@@ -218,10 +205,7 @@ jobs:
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> cabal.project ; fi
           cat >> cabal.project <<EOF
           EOF
-          if $HEADHACKAGE; then
-          echo "allow-newer: $($HCPKG list --simple-output | sed -E 's/([a-zA-Z-]+)-[0-9.]+/*:\1,/g')" >> cabal.project
-          fi
-          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(text-icu)$/; }' >> cabal.project.local
+          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(text-icu)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
       - name: dump install plan
diff --git a/.gitignore b/.gitignore
index 6178ef4..b42138b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
-dist-newstyle
+dist-newstyle/
 cabal.project.local
-cabal.project.local~*
\ No newline at end of file
+cabal.project.local~*
+.stack-work/
+stack*.yaml.lock
\ No newline at end of file
diff --git a/text-icu.cabal b/text-icu.cabal
index 8da24a9..e1c4f8b 100644
--- a/text-icu.cabal
+++ b/text-icu.cabal
@@ -55,9 +55,9 @@ extra-source-files:
   include/hs_text_icu.h
 
 tested-with:
-  GHC == 9.10.0
+  GHC == 9.10.1
   GHC == 9.8.2
-  GHC == 9.6.5
+  GHC == 9.6.6
   GHC == 9.4.8
   GHC == 9.2.8
   GHC == 9.0.2