diff --git a/.github/workflows/build-and-check-documentation.yml b/.github/workflows/build-and-check-documentation.yml
index 3e8d0be..faf4da7 100644
--- a/.github/workflows/build-and-check-documentation.yml
+++ b/.github/workflows/build-and-check-documentation.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check links
         uses: addnab/docker-run-action@v3
diff --git a/.github/workflows/build-and-deploy-documentation.yml b/.github/workflows/build-and-deploy-documentation.yml
index 5bd9307..83bb26b 100644
--- a/.github/workflows/build-and-deploy-documentation.yml
+++ b/.github/workflows/build-and-deploy-documentation.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check links
         uses: addnab/docker-run-action@v3
diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index a8c3224..b3ad8ad 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: dylan-lang/install-opendylan@v3