diff --git a/.github/workflows/cd_release.yml b/.github/workflows/cd_release.yml
index 3e25b83b..226a8940 100644
--- a/.github/workflows/cd_release.yml
+++ b/.github/workflows/cd_release.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/ci_automerge_bot_prs.yml b/.github/workflows/ci_automerge_bot_prs.yml
index 65d77f8d..13a31ffe 100644
--- a/.github/workflows/ci_automerge_bot_prs.yml
+++ b/.github/workflows/ci_automerge_bot_prs.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
         ref: ${{ github.event.pull_request.head.ref }}
diff --git a/.github/workflows/ci_cd_docker.yml b/.github/workflows/ci_cd_docker.yml
index 6a38e338..df812335 100644
--- a/.github/workflows/ci_cd_docker.yml
+++ b/.github/workflows/ci_cd_docker.yml
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Checkout ${{ github.repository }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.source_ref || github.ref }}
           fetch-depth: 0
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 3c21971b..32ced2bb 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
     - name: Checkout ${{ github.repository }}
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Python 3.10
       uses: actions/setup-python@v6
@@ -61,7 +61,7 @@ jobs:
 
     steps:
     - name: Checkout ${{ github.repository }}
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version}}
       uses: actions/setup-python@v6
@@ -116,7 +116,7 @@ jobs:
 
     steps:
     - name: Checkout ${{ github.repository }}
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Clone current requirement version of `oteapi-core` locally
       run: |
diff --git a/.github/workflows/ci_update_requirements.yml b/.github/workflows/ci_update_requirements.yml
index a443b793..eca246f7 100644
--- a/.github/workflows/ci_update_requirements.yml
+++ b/.github/workflows/ci_update_requirements.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         ref: 'master'
         fetch-depth: 0