diff --git a/.github/workflows/docker-build-publish.yml b/.github/workflows/docker-build-publish.yml
index 241e311..d6201e2 100644
--- a/.github/workflows/docker-build-publish.yml
+++ b/.github/workflows/docker-build-publish.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
diff --git a/.github/workflows/project-build-test.yml b/.github/workflows/project-build-test.yml
index 2b7b05f..543c4ff 100644
--- a/.github/workflows/project-build-test.yml
+++ b/.github/workflows/project-build-test.yml
@@ -24,7 +24,7 @@ jobs:
       options: --user 1001
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build documentation
         run: ./tools/build-docs.sh
       - name: Upload documentation
@@ -44,7 +44,7 @@ jobs:
         compiler: [gcc, clang]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: "true"
       - name: Run clang-format
@@ -73,7 +73,7 @@ jobs:
         compiler: [gcc, clang]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: "true"
       - name: Build tests