diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 93968400..125a05e9 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -14,7 +14,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Cancel Previous Runs
         uses: styfle/cancel-workflow-action@0.11.0
diff --git a/.github/workflows/miri.yml b/.github/workflows/miri.yml
index 9aa5dd4b..ad32a51a 100644
--- a/.github/workflows/miri.yml
+++ b/.github/workflows/miri.yml
@@ -14,7 +14,7 @@ jobs:
     name: Test (Miri)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
diff --git a/.github/workflows/security.yaml b/.github/workflows/security.yaml
index a8d189de..0069140b 100644
--- a/.github/workflows/security.yaml
+++ b/.github/workflows/security.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       
       - name: Perform the security audit
         uses: actions-rs/audit-check@v1
diff --git a/.github/workflows/semver.yml b/.github/workflows/semver.yml
index 93784950..387f3482 100644
--- a/.github/workflows/semver.yml
+++ b/.github/workflows/semver.yml
@@ -14,7 +14,7 @@ jobs:
         rust:
           - stable
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/test32bit.yml b/.github/workflows/test32bit.yml
index e9d233c8..e1cae852 100644
--- a/.github/workflows/test32bit.yml
+++ b/.github/workflows/test32bit.yml
@@ -22,7 +22,7 @@ jobs:
         uses: styfle/cancel-workflow-action@0.11.0
         with:
           access_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           submodules: recursive
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a35f14d0..1f3f9ebd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,7 +23,7 @@ jobs:
         with:
           access_token: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           submodules: recursive
@@ -49,7 +49,7 @@ jobs:
     name: rust fmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           submodules: recursive
@@ -69,7 +69,7 @@ jobs:
           - stable
           - 1.71.0
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 782b4ea0..c59e07c8 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           access_token: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           submodules: recursive