diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 376343dc..f2dd53a5 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 287c0351..7950a7d4 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Install the cosign tool except on PR
       # https://github.com/sigstore/cosign-installer
diff --git a/.github/workflows/instance_test.yml b/.github/workflows/instance_test.yml
index 31ded361..186c8f7f 100644
--- a/.github/workflows/instance_test.yml
+++ b/.github/workflows/instance_test.yml
@@ -16,7 +16,7 @@ jobs:
          python-version: ["3.8", "3.9", "3.10", "3.11"]
 
      steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install poetry
         run: pipx install poetry
diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index 3c784558..c7c7e286 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install poetry
       run: pipx install poetry