diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index c7026642..0b3c4c8f 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: 0.18.0.20240225
+# version: 0.18.1.20240316
 #
-# REGENDATA ("0.18.0.20240225",["github","cabal.project"])
+# REGENDATA ("0.18.1.20240316",["github","cabal.project"])
 #
 name: Haskell-CI
 on:
@@ -86,8 +86,9 @@ 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 3.10.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.10.2.1 || (cat "$HOME"/.ghcup/logs/*.* && false)
         env:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
@@ -105,7 +106,7 @@ jobs:
           echo "HC=$HC" >> "$GITHUB_ENV"
           echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
           echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-          echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.2.1 -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"
@@ -290,11 +291,11 @@ jobs:
           rm -f cabal.project.local
       - name: constraint set containers-0.7
         run: |
-          if [ $((HCNUMVER < 90800)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' all --dry-run ; fi
-          if [ $((HCNUMVER < 90800)) -ne 0 ] ; then cabal-plan topo | sort ; fi
-          if [ $((HCNUMVER < 90800)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' --dependencies-only -j2 all ; fi
-          if [ $((HCNUMVER < 90800)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' all ; fi
-          if [ $((HCNUMVER < 90800)) -ne 0 ] ; then $CABAL v2-test $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' all ; fi
+          $CABAL v2-build $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' all --dry-run
+          cabal-plan topo | sort
+          $CABAL v2-build $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' --dependencies-only -j2 all
+          $CABAL v2-build $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' all
+          $CABAL v2-test $ARG_COMPILER --enable-tests --disable-benchmarks --constraint='containers >= 0.7' all
       - name: constraint set no-lukko
         run: |
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='hackage-security -lukko' all --dry-run
diff --git a/cabal.haskell-ci b/cabal.haskell-ci
index 19066965..8e9d9035 100644
--- a/cabal.haskell-ci
+++ b/cabal.haskell-ci
@@ -1,11 +1,12 @@
 branches: master
+installed: +all
 
 -- Andreas, 2023-07-01: We use some haddock features that are new in 8.6.
 haddock: >= 8.6
 
 -- -- Andreas, 2023-02-20: see https://github.com/haskell/hackage-security/pull/291
 -- -- unconstrained build with head.hackage produces failing build plans
--- unconstrained: < 9.6
+-- unconstrained: < 9.10
 --
 -- Andreas, 2023-07-01
 -- Ryan GI Scott suggests this instead:
@@ -15,11 +16,12 @@ raw-project
     base-compat >= 0.12.2
 
 constraint-set no-lukko
-  ghc: >=8.4
   constraints: hackage-security -lukko
 
 constraint-set containers-0.7
-  ghc: >= 8.4 && < 9.8
+  -- Andreas, 2024-03-19: possibly we will have to turn off the constraint set
+  -- for the head.hackage build with GHC 9.10.0
+  -- ghc: < 9.10
   constraints: containers >= 0.7
   tests: True
   run-tests: True