diff --git a/.github/workflows/check-elixir-phoenix.yml b/.github/workflows/check-elixir-phoenix.yml
index 4c85c2e..785c099 100644
--- a/.github/workflows/check-elixir-phoenix.yml
+++ b/.github/workflows/check-elixir-phoenix.yml
@@ -17,7 +17,7 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: ./tmp
 
diff --git a/.github/workflows/check-elixir.yml b/.github/workflows/check-elixir.yml
index 3c2309f..41db680 100644
--- a/.github/workflows/check-elixir.yml
+++ b/.github/workflows/check-elixir.yml
@@ -17,7 +17,7 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: ./tmp
       - run: nix flake new -t ./tmp#elixir ./work
diff --git a/.github/workflows/check-flake-utils.yml b/.github/workflows/check-flake-utils.yml
index b0f4cdf..b61768c 100644
--- a/.github/workflows/check-flake-utils.yml
+++ b/.github/workflows/check-flake-utils.yml
@@ -17,7 +17,7 @@ jobs:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         path: ./tmp
     - run: nix flake new -t ./tmp#flake-utils ./work
diff --git a/.github/workflows/check-minimal.yml b/.github/workflows/check-minimal.yml
index c2c3131..5f20b45 100644
--- a/.github/workflows/check-minimal.yml
+++ b/.github/workflows/check-minimal.yml
@@ -17,7 +17,7 @@ jobs:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         path: ./tmp
     - run: nix flake new -t ./tmp#minimal ./work
diff --git a/.github/workflows/check-node-typescript.yml b/.github/workflows/check-node-typescript.yml
index f3103af..b8e28a0 100644
--- a/.github/workflows/check-node-typescript.yml
+++ b/.github/workflows/check-node-typescript.yml
@@ -16,7 +16,7 @@ jobs:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         path: ./tmp
     - run: nix flake new -t ./tmp#node-typescript ./work
diff --git a/.github/workflows/check-pre-commit.yml b/.github/workflows/check-pre-commit.yml
index 92e247d..88c4cb4 100644
--- a/.github/workflows/check-pre-commit.yml
+++ b/.github/workflows/check-pre-commit.yml
@@ -17,7 +17,7 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: ./tmp
 
diff --git a/.github/workflows/check-pulumi-ts.yml b/.github/workflows/check-pulumi-ts.yml
index e49d181..5839f72 100644
--- a/.github/workflows/check-pulumi-ts.yml
+++ b/.github/workflows/check-pulumi-ts.yml
@@ -16,7 +16,7 @@ jobs:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         path: ./tmp
     - run: nix flake new -t ./tmp#pulumi-ts ./work
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 46ff808..b944e2e 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: cachix/install-nix-action@v23
       with: