diff --git a/.github/workflows/create-release-package.yml b/.github/workflows/create-release-package.yml
index 37fef60..09c5df4 100644
--- a/.github/workflows/create-release-package.yml
+++ b/.github/workflows/create-release-package.yml
@@ -11,7 +11,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"  # <--= optional, use most recent 3.25.x version
diff --git a/.github/workflows/run-checks.yml b/.github/workflows/run-checks.yml
index b726a46..bc9abbb 100644
--- a/.github/workflows/run-checks.yml
+++ b/.github/workflows/run-checks.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 42c2284..29cf5d6 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,7 +9,7 @@ jobs:
   test-on-ubuntu:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"
@@ -36,7 +36,7 @@ jobs:
   test-on-windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"
@@ -54,7 +54,7 @@ jobs:
   test-on-osx:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: lukka/get-cmake@latest
         with:
           cmakeVersion: "~3.25.0"
diff --git a/.github/workflows/update-dependencies.yml b/.github/workflows/update-dependencies.yml
index 874354a..5352bcb 100644
--- a/.github/workflows/update-dependencies.yml
+++ b/.github/workflows/update-dependencies.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Python
       uses: actions/setup-python@v6