diff --git a/.automation/test/action/.github/workflows/actionlint_bad_1.yml b/.automation/test/action/.github/workflows/actionlint_bad_1.yml
index 3349a5b7e88..1ed9b868122 100644
--- a/.automation/test/action/.github/workflows/actionlint_bad_1.yml
+++ b/.automation/test/action/.github/workflows/actionlint_bad_1.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - run: echo "Checking commit '${{ github.event.head_commit.message }}'"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node_version: 16.x
diff --git a/.automation/test/action/.github/workflows/actionlint_good_1.yaml b/.automation/test/action/.github/workflows/actionlint_good_1.yaml
index 844a53f4a31..c791015a18b 100644
--- a/.automation/test/action/.github/workflows/actionlint_good_1.yaml
+++ b/.automation/test/action/.github/workflows/actionlint_good_1.yaml
@@ -17,7 +17,7 @@ jobs:
         env:
           COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
         run: echo "Checking commit '$COMMIT_MESSAGE'"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: 18.x
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73e09b037bb..7c6aaa435de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ Note: Can be used with `oxsecurity/megalinter@beta` in your GitHub Action mega-l
 - Flavors
 
 - CI
+  - Bump actions/checkout from 3 to 4
 
 - Linter versions upgrades
   - [checkov](https://www.checkov.io/) from 3.2.122 to **3.2.124** on 2024-06-02
diff --git a/README.md b/README.md
index 98ca3a21c76..5075684ec8a 100644
--- a/README.md
+++ b/README.md
@@ -465,7 +465,7 @@ jobs:
     steps:
       # Git Checkout
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
           fetch-depth: 0 # If you use VALIDATE_ALL_CODEBASE = true, you can remove this line to improve performances
diff --git a/docs/descriptors/repository_gitleaks.md b/docs/descriptors/repository_gitleaks.md
index b22015cdff9..d870a434466 100644
--- a/docs/descriptors/repository_gitleaks.md
+++ b/docs/descriptors/repository_gitleaks.md
@@ -24,7 +24,7 @@ To scan only PR commits, the [shallow fetch](https://git-scm.com/docs/git-fetch#
 #### GitHub Actions
 
 ```yml
-- uses: actions/checkout@v3
+- uses: actions/checkout@v4
   with:
     fetch-depth: 0
 ```
diff --git a/docs/install-github.md b/docs/install-github.md
index 9f1f0abe426..5fa5b8e579e 100644
--- a/docs/install-github.md
+++ b/docs/install-github.md
@@ -61,7 +61,7 @@ jobs:
     steps:
       # Git Checkout
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
           fetch-depth: 0 # If you use VALIDATE_ALL_CODEBASE = true, you can remove this line to improve performances
diff --git a/mega-linter-runner/lib/upgrade.js b/mega-linter-runner/lib/upgrade.js
index 395a9157a93..bb23ef94807 100644
--- a/mega-linter-runner/lib/upgrade.js
+++ b/mega-linter-runner/lib/upgrade.js
@@ -231,6 +231,12 @@ jobs:
         test: "uses: actions/checkout@v2",
         testRes: "uses: actions/checkout@v3",
       },
+      {
+        regex: /actions\/checkout@v3/gm,
+        replacement: "actions/checkout@v4",
+        test: "uses: actions/checkout@v3",
+        testRes: "uses: actions/checkout@v4",
+      },
       // Documentation base URL
       {
         regex: /https:\/\/megalinter\.github\.io/gm,
diff --git a/megalinter/descriptors/repository.megalinter-descriptor.yml b/megalinter/descriptors/repository.megalinter-descriptor.yml
index 76e60d4f941..277a2ef263f 100644
--- a/megalinter/descriptors/repository.megalinter-descriptor.yml
+++ b/megalinter/descriptors/repository.megalinter-descriptor.yml
@@ -195,7 +195,7 @@ linters:
       #### GitHub Actions
 
       ```yml
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       ```