diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7e2dd8297d..0e11a622d0 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -12,7 +12,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.PLUTUS_OPS_GITHUB_TOKEN }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Inject slug/short variables
         uses: rlespinasse/github-slug-action@v3.x
diff --git a/.github/workflows/haddock.yml b/.github/workflows/haddock.yml
index 3e0d0ca7d0..fee73da946 100644
--- a/.github/workflows/haddock.yml
+++ b/.github/workflows/haddock.yml
@@ -13,7 +13,7 @@ jobs:
     environment:
       name: github-pages
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: nixbuild/nix-quick-install-action@v25
         with:
           # 2.14.1 seems to have issues, see https://github.com/nixbuild/nix-quick-install-action/issues/29
diff --git a/.github/workflows/pre-commit-check.yml b/.github/workflows/pre-commit-check.yml
index ac9f940017..576327c91b 100644
--- a/.github/workflows/pre-commit-check.yml
+++ b/.github/workflows/pre-commit-check.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: [ubuntu-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Quick Install Nix
         uses: nixbuild/nix-quick-install-action@v25
diff --git a/.github/workflows/script-evaluation-dump.yml b/.github/workflows/script-evaluation-dump.yml
index 3dce74340d..9e6d08b19c 100644
--- a/.github/workflows/script-evaluation-dump.yml
+++ b/.github/workflows/script-evaluation-dump.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.3.0
+        uses: actions/checkout@v4
         with:
           ref: zliu41/dump-1.35.4