diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4843c3d..4851a09 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install dependencies (Ubuntu)
       run: ./.github/scripts/install-dependencies-ubuntu.sh
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 0899e8d..677198a 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/doxygen.yml b/.github/workflows/doxygen.yml
index 1ec49cf..38ee55a 100644
--- a/.github/workflows/doxygen.yml
+++ b/.github/workflows/doxygen.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install dependencies
       run: ./.github/scripts/install-dependencies-ubuntu.sh
diff --git a/.github/workflows/kernel.yml b/.github/workflows/kernel.yml
index 8ebe774..dc3021a 100644
--- a/.github/workflows/kernel.yml
+++ b/.github/workflows/kernel.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install kernel dependencies
       run: ./.github/scripts/install-kernel-dependencies.sh
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9b3a1ea..c1c9527 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: ./.github/scripts/install-dependencies-ubuntu.sh