diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 11e0be59..235d5bbb 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -35,9 +35,9 @@ jobs:
             compilerVersion: 9.12.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.10.2
+          - compiler: ghc-9.10.3
             compilerKind: ghc
-            compilerVersion: 9.10.2
+            compilerVersion: 9.10.3
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.8.4
@@ -193,7 +193,7 @@ jobs:
           key: ${{ runner.os }}-${{ matrix.compiler }}-tools-2e5ae02c
           path: ~/.haskell-ci-tools
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/cabal-install-parsers/cabal-install-parsers.cabal b/cabal-install-parsers/cabal-install-parsers.cabal
index 7db7d715..3a8521db 100644
--- a/cabal-install-parsers/cabal-install-parsers.cabal
+++ b/cabal-install-parsers/cabal-install-parsers.cabal
@@ -32,7 +32,7 @@ tested-with:
    || ==9.4.8
    || ==9.6.7
    || ==9.8.4
-   || ==9.10.2
+   || ==9.10.3
    || ==9.12.2
 
 extra-source-files:
diff --git a/fixtures/all-versions.bash b/fixtures/all-versions.bash
index 7d7ec123..6054e32c 100644
--- a/fixtures/all-versions.bash
+++ b/fixtures/all-versions.bash
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 #!/bin/bash
 # shellcheck disable=SC2086,SC2016,SC2046
 # REGENDATA ["bash","all-versions.project"]
@@ -21,7 +21,7 @@ fi
 
 CFG_CABAL_STORE_CACHE=""
 CFG_CABAL_REPO_CACHE=""
-CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
+CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.3 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
 CFG_CABAL_UPDATE=false
 
 SCRIPT_NAME=$(basename "$0")
diff --git a/fixtures/all-versions.github b/fixtures/all-versions.github
index 1bd9da51..655cfce4 100644
--- a/fixtures/all-versions.github
+++ b/fixtures/all-versions.github
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 # This GitHub workflow config has been generated by a script via
 #
 #   haskell-ci 'github' 'all-versions.project'
@@ -28,9 +28,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.14.0.20250819
+          - compiler: ghc-9.14.0.20250908
             compilerKind: ghc
-            compilerVersion: 9.14.0.20250819
+            compilerVersion: 9.14.0.20250908
             setup-method: ghcup-prerelease
             allow-failure: false
           - compiler: ghc-9.12.2
@@ -43,6 +43,11 @@ jobs:
             compilerVersion: 9.12.1
             setup-method: ghcup
             allow-failure: false
+          - compiler: ghc-9.10.3
+            compilerKind: ghc
+            compilerVersion: 9.10.3
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.10.2
             compilerKind: ghc
             compilerVersion: 9.10.2
@@ -449,7 +454,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/conditionals.github b/fixtures/conditionals.github
index 04125f0e..dbb8a9bf 100644
--- a/fixtures/conditionals.github
+++ b/fixtures/conditionals.github
@@ -238,7 +238,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/copy-fields-all.github b/fixtures/copy-fields-all.github
index 6e03e706..b844ecf1 100644
--- a/fixtures/copy-fields-all.github
+++ b/fixtures/copy-fields-all.github
@@ -238,7 +238,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/copy-fields-none.github b/fixtures/copy-fields-none.github
index da590a0d..e30cbb30 100644
--- a/fixtures/copy-fields-none.github
+++ b/fixtures/copy-fields-none.github
@@ -238,7 +238,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/copy-fields-some.github b/fixtures/copy-fields-some.github
index e0122c94..d6456a5a 100644
--- a/fixtures/copy-fields-some.github
+++ b/fixtures/copy-fields-some.github
@@ -238,7 +238,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/doctest-version.bash b/fixtures/doctest-version.bash
index cacd47f9..8d3afc9f 100644
--- a/fixtures/doctest-version.bash
+++ b/fixtures/doctest-version.bash
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 #!/bin/bash
 # shellcheck disable=SC2086,SC2016,SC2046
 # REGENDATA ["--doctest","--doctest-version=^>=0.20","bash","doctest-version.project"]
@@ -21,7 +21,7 @@ fi
 
 CFG_CABAL_STORE_CACHE=""
 CFG_CABAL_REPO_CACHE=""
-CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
+CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.3 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
 CFG_CABAL_UPDATE=false
 
 SCRIPT_NAME=$(basename "$0")
diff --git a/fixtures/doctest-version.github b/fixtures/doctest-version.github
index e57ca1a4..f75cbc66 100644
--- a/fixtures/doctest-version.github
+++ b/fixtures/doctest-version.github
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 # This GitHub workflow config has been generated by a script via
 #
 #   haskell-ci '--doctest' '--doctest-version=^>=0.20' 'github' 'doctest-version.project'
@@ -28,9 +28,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.14.0.20250819
+          - compiler: ghc-9.14.0.20250908
             compilerKind: ghc
-            compilerVersion: 9.14.0.20250819
+            compilerVersion: 9.14.0.20250908
             setup-method: ghcup-prerelease
             allow-failure: false
           - compiler: ghc-9.12.2
@@ -43,6 +43,11 @@ jobs:
             compilerVersion: 9.12.1
             setup-method: ghcup
             allow-failure: false
+          - compiler: ghc-9.10.3
+            compilerKind: ghc
+            compilerVersion: 9.10.3
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.10.2
             compilerKind: ghc
             compilerVersion: 9.10.2
@@ -464,7 +469,7 @@ jobs:
           key: ${{ runner.os }}-${{ matrix.compiler }}-tools-7f722948
           path: ~/.haskell-ci-tools
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/doctest.bash b/fixtures/doctest.bash
index 1c118f31..9ab1c746 100644
--- a/fixtures/doctest.bash
+++ b/fixtures/doctest.bash
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 #!/bin/bash
 # shellcheck disable=SC2086,SC2016,SC2046
 # REGENDATA ["--doctest","bash","doctest.project"]
@@ -21,7 +21,7 @@ fi
 
 CFG_CABAL_STORE_CACHE=""
 CFG_CABAL_REPO_CACHE=""
-CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
+CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.3 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
 CFG_CABAL_UPDATE=false
 
 SCRIPT_NAME=$(basename "$0")
diff --git a/fixtures/doctest.github b/fixtures/doctest.github
index 9d4645f0..6eaa4115 100644
--- a/fixtures/doctest.github
+++ b/fixtures/doctest.github
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 # This GitHub workflow config has been generated by a script via
 #
 #   haskell-ci '--doctest' 'github' 'doctest.project'
@@ -28,9 +28,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.14.0.20250819
+          - compiler: ghc-9.14.0.20250908
             compilerKind: ghc
-            compilerVersion: 9.14.0.20250819
+            compilerVersion: 9.14.0.20250908
             setup-method: ghcup-prerelease
             allow-failure: false
           - compiler: ghc-9.12.2
@@ -43,6 +43,11 @@ jobs:
             compilerVersion: 9.12.1
             setup-method: ghcup
             allow-failure: false
+          - compiler: ghc-9.10.3
+            compilerKind: ghc
+            compilerVersion: 9.10.3
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.10.2
             compilerKind: ghc
             compilerVersion: 9.10.2
@@ -464,7 +469,7 @@ jobs:
           key: ${{ runner.os }}-${{ matrix.compiler }}-tools-9d25091b
           path: ~/.haskell-ci-tools
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/empty-line.github b/fixtures/empty-line.github
index a5ef2989..38424e9a 100644
--- a/fixtures/empty-line.github
+++ b/fixtures/empty-line.github
@@ -265,7 +265,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/enabled-jobs.bash b/fixtures/enabled-jobs.bash
index 0f27e229..0253d279 100644
--- a/fixtures/enabled-jobs.bash
+++ b/fixtures/enabled-jobs.bash
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating Bash script for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 #!/bin/bash
 # shellcheck disable=SC2086,SC2016,SC2046
 # REGENDATA ["--enabled-jobs=>=8","bash","enabled-jobs.project"]
@@ -21,7 +21,7 @@ fi
 
 CFG_CABAL_STORE_CACHE=""
 CFG_CABAL_REPO_CACHE=""
-CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
+CFG_JOBS="9.14.1 9.12.2 9.12.1 9.10.3 9.10.2 9.10.1 9.8.4 9.8.3 9.8.2 9.8.1 9.6.7 9.6.6 9.6.5 9.6.4 9.6.3 9.6.2 9.6.1 9.4.8 9.4.7 9.4.6 9.4.5 9.4.4 9.4.3 9.4.2 9.4.1 9.2.8 9.2.7 9.2.6 9.2.5 9.2.4 9.2.3 9.2.2 9.2.1 9.0.2 9.0.1 8.10.7 8.10.6 8.10.5 8.10.4 8.10.3 8.10.2 8.10.1 8.8.4 8.8.3 8.8.2 8.8.1 8.6.5 8.6.4 8.6.3 8.6.2 8.6.1 8.4.4 8.4.3 8.4.2 8.4.1 8.2.2 8.2.1 8.0.2 8.0.1"
 CFG_CABAL_UPDATE=false
 
 SCRIPT_NAME=$(basename "$0")
diff --git a/fixtures/enabled-jobs.github b/fixtures/enabled-jobs.github
index 320811d6..9283ebdd 100644
--- a/fixtures/enabled-jobs.github
+++ b/fixtures/enabled-jobs.github
@@ -1,5 +1,5 @@
 # SUCCESS
-# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.12.1 9.12.2 9.14.1 ghcjs-8.4
+# *INFO* Generating GitHub config for testing for GHC versions: 8.0.1 8.0.2 8.2.1 8.2.2 8.4.1 8.4.2 8.4.3 8.4.4 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.8.1 8.8.2 8.8.3 8.8.4 8.10.1 8.10.2 8.10.3 8.10.4 8.10.5 8.10.6 8.10.7 9.0.1 9.0.2 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.2.8 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.6.1 9.6.2 9.6.3 9.6.4 9.6.5 9.6.6 9.6.7 9.8.1 9.8.2 9.8.3 9.8.4 9.10.1 9.10.2 9.10.3 9.12.1 9.12.2 9.14.1 ghcjs-8.4
 # This GitHub workflow config has been generated by a script via
 #
 #   haskell-ci '--enabled-jobs=>=8' 'github' 'enabled-jobs.project'
@@ -28,9 +28,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.14.0.20250819
+          - compiler: ghc-9.14.0.20250908
             compilerKind: ghc
-            compilerVersion: 9.14.0.20250819
+            compilerVersion: 9.14.0.20250908
             setup-method: ghcup-prerelease
             allow-failure: false
           - compiler: ghc-9.12.2
@@ -43,6 +43,11 @@ jobs:
             compilerVersion: 9.12.1
             setup-method: ghcup
             allow-failure: false
+          - compiler: ghc-9.10.3
+            compilerKind: ghc
+            compilerVersion: 9.10.3
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.10.2
             compilerKind: ghc
             compilerVersion: 9.10.2
@@ -449,7 +454,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/fail-versions.github b/fixtures/fail-versions.github
index f549cbfc..e35abf7d 100644
--- a/fixtures/fail-versions.github
+++ b/fixtures/fail-versions.github
@@ -238,7 +238,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/irc-channels.github b/fixtures/irc-channels.github
index c8091709..51bb6b5e 100644
--- a/fixtures/irc-channels.github
+++ b/fixtures/irc-channels.github
@@ -265,7 +265,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/messy.github b/fixtures/messy.github
index 1d82d571..bff237bf 100644
--- a/fixtures/messy.github
+++ b/fixtures/messy.github
@@ -266,7 +266,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/psql.github b/fixtures/psql.github
index 7ff71b44..fb0debfd 100644
--- a/fixtures/psql.github
+++ b/fixtures/psql.github
@@ -244,7 +244,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/fixtures/travis-patch.github b/fixtures/travis-patch.github
index f8623449..038a3d90 100644
--- a/fixtures/travis-patch.github
+++ b/fixtures/travis-patch.github
@@ -238,7 +238,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/haskell-ci.cabal b/haskell-ci.cabal
index a4b32a77..5265a0ee 100644
--- a/haskell-ci.cabal
+++ b/haskell-ci.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               haskell-ci
-version:            0.19.20250821
+version:            0.19.20250916
 synopsis:           Haskell CI script generator
 description:
   Script generator (@haskell-ci@) for
@@ -33,7 +33,7 @@ tested-with:
    || ==9.4.8
    || ==9.6.7
    || ==9.8.4
-   || ==9.10.2
+   || ==9.10.3
    || ==9.12.2
 
 extra-source-files: CHANGELOG.md
diff --git a/haskell-ci.sh b/haskell-ci.sh
index d8a2b218..3fcc0a1f 100755
--- a/haskell-ci.sh
+++ b/haskell-ci.sh
@@ -19,7 +19,7 @@ fi
 
 CFG_CABAL_STORE_CACHE=""
 CFG_CABAL_REPO_CACHE=""
-CFG_JOBS="9.12.2 9.10.2 9.8.4 9.6.7 9.4.8 9.2.8 9.0.2 8.10.7 8.8.4"
+CFG_JOBS="9.12.2 9.10.3 9.8.4 9.6.7 9.4.8 9.2.8 9.0.2 8.10.7 8.8.4"
 CFG_CABAL_UPDATE=false
 
 SCRIPT_NAME=$(basename "$0")
diff --git a/src/HaskellCI/Compiler.hs b/src/HaskellCI/Compiler.hs
index 2009e935..b037adf2 100644
--- a/src/HaskellCI/Compiler.hs
+++ b/src/HaskellCI/Compiler.hs
@@ -144,7 +144,7 @@ knownGhcVersions = fmap mkVersion
     , [9,4,1],  [9,4,2],  [9,4,3], [9,4,4], [9,4,5], [9,4,6], [9,4,7], [9,4,8]
     , [9,6,1],  [9,6,2],  [9,6,3], [9,6,4], [9,6,5], [9,6,6], [9,6,7]
     , [9,8,1],  [9,8,2],  [9,8,3], [9,8,4]
-    , [9,10,1], [9,10,2]
+    , [9,10,1], [9,10,2], [9,10,3]
     , [9,12,1], [9,12,2]
     , [9,14,1]
     ]
diff --git a/src/HaskellCI/Config/History.hs b/src/HaskellCI/Config/History.hs
index ec92ca8d..3bee6daa 100644
--- a/src/HaskellCI/Config/History.hs
+++ b/src/HaskellCI/Config/History.hs
@@ -97,6 +97,8 @@ configHistory =
             , ghcupVanilla    = C.withinVersion (C.mkVersion [9,8,3])
             , ghcupPrerelease = C.orLaterVersion (C.mkVersion [9,14])
             }
+    , ver 0 19 20250916 := \cfg -> cfg
+        & field @"cfgVersionMapping" .~ Map.singleton (mkVersion [9,14,1]) (mkVersion [9,14,0,20250908])
     ]
   where
     ver x y z = [x, y, z]
diff --git a/src/HaskellCI/GitHub.hs b/src/HaskellCI/GitHub.hs
index b340070a..269155ef 100644
--- a/src/HaskellCI/GitHub.hs
+++ b/src/HaskellCI/GitHub.hs
@@ -313,7 +313,7 @@ makeGitHub _argv config@Config {..} gitconfig prj jobs@JobVersions {..} = do
             , ("path", "~/.haskell-ci-tools")
             ]
 
-        githubUses "checkout" "actions/checkout@v4" $ buildList $ do
+        githubUses "checkout" "actions/checkout@v5" $ buildList $ do
             item ("path", "source")
             when cfgSubmodules $
                 item ("submodules", "true")