diff --git a/.github/workflows/ci-testing.yml b/.github/workflows/ci-testing.yml
index 89cc8e9a..40404d6c 100644
--- a/.github/workflows/ci-testing.yml
+++ b/.github/workflows/ci-testing.yml
@@ -22,7 +22,7 @@ jobs:
         python-version: ["3.11"] # requires python<=3.11
         model: [yolov5n]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
@@ -61,7 +61,7 @@ jobs:
             model: yolov5n
             torch: "1.8.0" # min torch version CI https://pypi.org/project/torchvision/
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 2cd1c13f..0fcff78d 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # copy full .git directory to access full git history in Docker images
 
diff --git a/.github/workflows/links.yml b/.github/workflows/links.yml
index 64f26692..55d1bc80 100644
--- a/.github/workflows/links.yml
+++ b/.github/workflows/links.yml
@@ -18,7 +18,7 @@ jobs:
   Links:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download and install lychee
         run: |
diff --git a/.github/workflows/merge-main-into-prs.yml b/.github/workflows/merge-main-into-prs.yml
index 29c0f932..a39ccb23 100644
--- a/.github/workflows/merge-main-into-prs.yml
+++ b/.github/workflows/merge-main-into-prs.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v5