diff --git a/.github/workflows/ci_automerge_dependabot.yml b/.github/workflows/ci_automerge_dependabot.yml
index 71753ef..64df815 100644
--- a/.github/workflows/ci_automerge_dependabot.yml
+++ b/.github/workflows/ci_automerge_dependabot.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
         ref: ${{ github.event.pull_request.head.ref }}
diff --git a/.github/workflows/ci_cd_updated_master.yml b/.github/workflows/ci_cd_updated_master.yml
index e19b2cc..b4eb465 100644
--- a/.github/workflows/ci_cd_updated_master.yml
+++ b/.github/workflows/ci_cd_updated_master.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -90,7 +90,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ env.DEPENDABOT_BRANCH }}
         fetch-depth: 0
@@ -140,7 +140,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ env.DEFAULT_REPO_BRANCH }}
         fetch-depth: 0
diff --git a/.github/workflows/ci_dependabot.yml b/.github/workflows/ci_dependabot.yml
index c28b8ad..3e55841 100644
--- a/.github/workflows/ci_dependabot.yml
+++ b/.github/workflows/ci_dependabot.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: master
 
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index ee45c04..e6b97e2 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python 3.9
       uses: actions/setup-python@v4
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
 
@@ -77,7 +77,7 @@ jobs:
         docker-target: ["development", "production"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Build Dockerfile
       run: |
@@ -95,7 +95,7 @@ jobs:
         python-version: ["3.9", "3.10"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
 
@@ -137,7 +137,7 @@ jobs:
       LOCAL_OTEAPI_PATH: /tmp/oteapi-core
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Build OTEAPI Services Dockerfiles
       run: |
diff --git a/.github/workflows/ci_update_requirements.yml b/.github/workflows/ci_update_requirements.yml
index 504f5e7..cb6a1f0 100644
--- a/.github/workflows/ci_update_requirements.yml
+++ b/.github/workflows/ci_update_requirements.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ env.DEPENDABOT_BRANCH }}
         fetch-depth: 0