diff --git a/.github/workflows/bootstrap.yml b/.github/workflows/bootstrap.yml
index 74a1d857f58..c1734736e4c 100644
--- a/.github/workflows/bootstrap.yml
+++ b/.github/workflows/bootstrap.yml
@@ -34,7 +34,7 @@ jobs:
           key: bootstrap-${{ runner.os }}-${{ matrix.ghc }}-20221115-${{ github.sha }}
           restore-keys: bootstrap-${{ runner.os }}-${{ matrix.ghc }}-20221115-
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # See https://github.com/haskell/cabal/pull/8739
       - name: Sudo chmod to permit ghcup to update its cache
         run: |
diff --git a/.github/workflows/changelogs.yml b/.github/workflows/changelogs.yml
index 425e5117188..c0ec46a6d1b 100644
--- a/.github/workflows/changelogs.yml
+++ b/.github/workflows/changelogs.yml
@@ -50,7 +50,7 @@ jobs:
         run: cabal v2-update
       # Cannot install it from tarball due to
       # https://github.com/haskell/cabal/issues/7360
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "fgaz/changelog-d"
           path: "changelog-d"
@@ -59,7 +59,7 @@ jobs:
           pushd changelog-d
           cabal v2-install
           popd
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run changelog-d
         run: |
           changelog-d changelog.d
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 7e75af1af62..ba5f85c9b82 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -9,7 +9,7 @@ jobs:
   fourmolu:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: haskell-actions/run-fourmolu@v8
       with:
         pattern: |
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8eea2ece61b..fa12e98b878 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
   hlint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: haskell/actions/hlint-setup@v2
       with:
         version: "3.5"
diff --git a/.github/workflows/quick-jobs.yml b/.github/workflows/quick-jobs.yml
index d309cc97c09..9426ed79724 100644
--- a/.github/workflows/quick-jobs.yml
+++ b/.github/workflows/quick-jobs.yml
@@ -48,7 +48,7 @@ jobs:
         run: cabal v2-update
       - name: Install alex
         run: cabal v2-install alex --constraint='alex ==3.2.7.3'
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Regenerate files
         run: |
           make -B lexer
@@ -87,7 +87,7 @@ jobs:
           ghcup install cabal --set latest
       - name: Update Hackage index
         run: cabal v2-update
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install doctest
         run: make doctest-install
       - name: Doctest
diff --git a/.github/workflows/users-guide.yml b/.github/workflows/users-guide.yml
index cd8137fbc38..ac6d65baedb 100644
--- a/.github/workflows/users-guide.yml
+++ b/.github/workflows/users-guide.yml
@@ -49,7 +49,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
 
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 00512be6120..b1fc53a2352 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -55,7 +55,7 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       #  See the following link for a breakdown of the following step
       #  https://github.com/haskell/actions/issues/7#issuecomment-745697160
@@ -197,7 +197,7 @@ jobs:
       # cause it does not work with the git version included in it, see:
       # https://github.com/actions/checkout/issues/170
       # https://github.com/actions/checkout/issues/295
-      # - uses: actions/checkout@v3
+      # - uses: actions/checkout@v4
       - name: Checkout
         run: |
           echo $GITHUB_REF $GITHUB_SHA
@@ -251,7 +251,7 @@ jobs:
         ghc: ${{ fromJSON (needs.validate.outputs.GHC_FOR_RELEASE) }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # See https://github.com/haskell/cabal/pull/8739
       - name: Sudo chmod to permit ghcup to update its cache