diff --git a/.github/workflows/generatemanpage.yml b/.github/workflows/generatemanpage.yml
index 928b324..82a7097 100644
--- a/.github/workflows/generatemanpage.yml
+++ b/.github/workflows/generatemanpage.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone project
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/hlint.yaml b/.github/workflows/hlint.yaml
index 0ff72bd..d530098 100644
--- a/.github/workflows/hlint.yaml
+++ b/.github/workflows/hlint.yaml
@@ -8,7 +8,7 @@ jobs:
   hlint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: 'Set up HLint'
       uses: haskell/actions/hlint-setup@v2
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index f03434a..ed57b86 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -20,6 +20,6 @@ jobs:
             experimental-features = nix-command flakes
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Clone project
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build
         run: nix build --print-build-logs
diff --git a/.github/workflows/packdeps.yml b/.github/workflows/packdeps.yml
index 4e3cf50..5943baf 100644
--- a/.github/workflows/packdeps.yml
+++ b/.github/workflows/packdeps.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Clone project
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Haskell
         uses: haskell/actions/setup@v2
         with:
diff --git a/.github/workflows/stack.yml b/.github/workflows/stack.yml
index cbc6c9b..e92f067 100644
--- a/.github/workflows/stack.yml
+++ b/.github/workflows/stack.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Clone project
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install C dependencies
         run: |