diff --git a/.github/workflows/examples-autocomplete.yml b/.github/workflows/examples-autocomplete.yml
index 3c9c392..c7b74e4 100644
--- a/.github/workflows/examples-autocomplete.yml
+++ b/.github/workflows/examples-autocomplete.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24
diff --git a/.github/workflows/examples-ref-browser.yml b/.github/workflows/examples-ref-browser.yml
index c7cf7a7..98c6969 100644
--- a/.github/workflows/examples-ref-browser.yml
+++ b/.github/workflows/examples-ref-browser.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24
diff --git a/.github/workflows/reference-converter.daily.yml b/.github/workflows/reference-converter.daily.yml
index 21d8d9d..fc15551 100644
--- a/.github/workflows/reference-converter.daily.yml
+++ b/.github/workflows/reference-converter.daily.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: make devtools-image
     - name: let the build create files
       run: chmod 777 .
diff --git a/.github/workflows/reference-converter.yml b/.github/workflows/reference-converter.yml
index be832d9..21afaac 100644
--- a/.github/workflows/reference-converter.yml
+++ b/.github/workflows/reference-converter.yml
@@ -21,7 +21,7 @@ jobs:
     env:
       testResults: ./reference-converter/results/test.xml
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: make devtools-image
       - name: let the build create files
         run: chmod 777 .
@@ -44,7 +44,7 @@ jobs:
     env:
       working-directory: ./reference-converter
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: ${{ env.working-directory }}/go.mod
diff --git a/.github/workflows/reference-lib.publish.yml b/.github/workflows/reference-lib.publish.yml
index 36f0336..c926899 100644
--- a/.github/workflows/reference-lib.publish.yml
+++ b/.github/workflows/reference-lib.publish.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           registry-url: 'https://registry.npmjs.org'