diff --git a/.github/workflows/cabal-mac-win.yml b/.github/workflows/cabal-mac-win.yml
index 981f212..5d0a950 100644
--- a/.github/workflows/cabal-mac-win.yml
+++ b/.github/workflows/cabal-mac-win.yml
@@ -4,8 +4,10 @@ on:
     branches:
     - master
     - ci-*
-    - release*
   pull_request:
+    branches:
+    - master
+    - ci-*
 
 jobs:
 
@@ -14,11 +16,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macOS-latest, windows-2022]
+        os: [macOS-latest, windows-latest]
         ghc:
           - 8.10.7
           - 9.0.2
-          - 9.2.1
+          - 9.2.4
+          - 9.4.1
+            # As of 2022-10-06, haskell/actions/setup does not support 9.4.2 yet.
+            # Waiting for https://github.com/haskell/actions/pull/115.
       fail-fast: false
 
     env:
@@ -48,7 +53,7 @@ jobs:
         echo "PKG_CONFIG_PATH=/usr/local/opt/icu4c/lib/pkgconfig" >> ${GITHUB_ENV}
 
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Setup Haskell
       uses: haskell/actions/setup@v1
@@ -61,7 +66,7 @@ jobs:
         cabal freeze
 
     - name: Cache ~/.cabal/store
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index c3f874f..07fc49d 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -8,18 +8,24 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.14.1
+# version: 0.15.20220826
 #
-# REGENDATA ("0.14.1",["github","text-icu.cabal"])
+# REGENDATA ("0.15.20220826",["github","text-icu.cabal"])
 #
 name: Haskell-CI
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+      - master
+      - ci-*
+  pull_request:
+    branches:
+      - master
+      - ci-*
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     timeout-minutes:
       60
     container:
@@ -28,9 +34,14 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.2.1
+          - compiler: ghc-9.4.2
             compilerKind: ghc
-            compilerVersion: 9.2.1
+            compilerVersion: 9.4.2
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.2.4
+            compilerKind: ghc
+            compilerVersion: 9.2.4
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.0.2
@@ -81,18 +92,18 @@ jobs:
           apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
           if [ "${{ matrix.setup-method }}" = ghcup ]; then
             mkdir -p "$HOME/.ghcup/bin"
-            curl -sL https://downloads.haskell.org/ghcup/0.1.17.3/x86_64-linux-ghcup-0.1.17.3 > "$HOME/.ghcup/bin/ghcup"
+            curl -sL https://downloads.haskell.org/ghcup/0.1.18.0/x86_64-linux-ghcup-0.1.18.0 > "$HOME/.ghcup/bin/ghcup"
             chmod a+x "$HOME/.ghcup/bin/ghcup"
-            "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER"
-            "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0
+            "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
+            "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0 || (cat "$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/0.1.17.3/x86_64-linux-ghcup-0.1.17.3 > "$HOME/.ghcup/bin/ghcup"
+            curl -sL https://downloads.haskell.org/ghcup/0.1.18.0/x86_64-linux-ghcup-0.1.18.0 > "$HOME/.ghcup/bin/ghcup"
             chmod a+x "$HOME/.ghcup/bin/ghcup"
-            "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0
+            "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
           fi
         env:
           HCKIND: ${{ matrix.compilerKind }}
@@ -235,7 +246,7 @@ jobs:
           ${CABAL} -vnormal check
       - name: haddock
         run: |
-          $CABAL v2-haddock $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
+          $CABAL v2-haddock --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
       - name: unconstrained build
         run: |
           rm -f cabal.project.local
diff --git a/cabal.haskell-ci b/cabal.haskell-ci
index 696fdac..1c58cd5 100644
--- a/cabal.haskell-ci
+++ b/cabal.haskell-ci
@@ -1,5 +1,10 @@
 -- Recreate .github/workflows/haskell-ci.yml with command `haskell-ci regenerate`.
 
+-- To avoid duplicate runs of this CI on PRs,
+-- restrict CI to pushes and PRs on "master" and any branch starting with "ci-".
+-- Use "ci-" branches if you want CI to run but do not want to open a PR yet.
+branches: master ci-*
+
 -- text-icu-0.8 requires a newer ICU lib (shipped not with Ubuntu 18.04, but with 20.04)
 distribution: focal
 
diff --git a/text-icu.cabal b/text-icu.cabal
index 18ba483..90f7822 100644
--- a/text-icu.cabal
+++ b/text-icu.cabal
@@ -59,7 +59,8 @@ tested-with:
   GHC == 8.8.4
   GHC == 8.10.7
   GHC == 9.0.2
-  GHC == 9.2.1
+  GHC == 9.2.4
+  GHC == 9.4.2
 
 library
   default-language:  Haskell98