diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ac3e889..203e6c0 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,6 +9,6 @@ jobs:
     env:
       SHELLCHECK_OPTS: -x
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
diff --git a/.github/workflows/trigger-deployments.yml b/.github/workflows/trigger-deployments.yml
index 7bde3b5..13a2b2b 100644
--- a/.github/workflows/trigger-deployments.yml
+++ b/.github/workflows/trigger-deployments.yml
@@ -14,7 +14,7 @@ jobs:
     outputs:
       on_main: ${{ steps.contains_tag.outputs.retval }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           fetch-tags: true
@@ -33,7 +33,7 @@ jobs:
       KNOWN_HOSTS: ${{ secrets.KNOWN_HOSTS }}
     steps:
     - name: Check out repository code to access trigger_deployment.sh
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - run: ./trigger_deployment.sh
     - uses: artiz/poll-endpoint@1.0.2
       with:
@@ -57,7 +57,7 @@ jobs:
       KNOWN_HOSTS: ${{ secrets.KNOWN_HOSTS }}
     steps:
     - name: Check out repository code to access trigger_deployment.sh
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - run: ./trigger_deployment.sh
     - uses: artiz/poll-endpoint@1.0.2
       with:
diff --git a/.github/workflows/update-service-image.yml b/.github/workflows/update-service-image.yml
index f6c672a..fbe2049 100644
--- a/.github/workflows/update-service-image.yml
+++ b/.github/workflows/update-service-image.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: build
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         ssh-key: "${{ secrets.SSH_PUSH_DEPLOY_PRIVATE_KEY }}"
     - run: git config --global user.email "update-service-image-bot@github.com"