diff --git a/.github/workflows/abibreak.yaml b/.github/workflows/abibreak.yaml
index e821486b..af0594b3 100644
--- a/.github/workflows/abibreak.yaml
+++ b/.github/workflows/abibreak.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get pushed code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure
         run: cmake -S . -B _build -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX:STRING=${GITHUB_WORKSPACE}/_built -G Ninja
@@ -22,7 +22,7 @@ jobs:
         run: cmake --install _build --prefix ${GITHUB_WORKSPACE}/_built
 
       - name: Get v1.x code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           path: libebml-1
           ref: v1.x
diff --git a/.github/workflows/linux-gcc13.yaml b/.github/workflows/linux-gcc13.yaml
index 0db812af..07ca7fe3 100644
--- a/.github/workflows/linux-gcc13.yaml
+++ b/.github/workflows/linux-gcc13.yaml
@@ -19,7 +19,7 @@ jobs:
         run: dpkg --list | grep compiler
 
       - name: Get pushed code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure CMake
         run: cmake -S . -B _build -DCMAKE_INSTALL_PREFIX:STRING=${GITHUB_WORKSPACE}/_built -G Ninja
diff --git a/.github/workflows/linux.yaml b/.github/workflows/linux.yaml
index a7fa34c9..c4324bf8 100644
--- a/.github/workflows/linux.yaml
+++ b/.github/workflows/linux.yaml
@@ -16,7 +16,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends libutfcpp-dev
 
       - name: Get pushed code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure CMake
         run: cmake -S . -B _build -DCMAKE_INSTALL_PREFIX:STRING=${GITHUB_WORKSPACE}/_built -G Ninja
@@ -42,7 +42,7 @@ jobs:
         run: dpkg --list | grep compiler
 
       - name: Get pushed code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure
         run: cmake -S . -B _build ${{ env.CMAKE_OPTIONS }} -DCMAKE_INSTALL_PREFIX:STRING=${GITHUB_WORKSPACE}/_built
diff --git a/.github/workflows/macos.yaml b/.github/workflows/macos.yaml
index 8de06d7d..9a1a0701 100644
--- a/.github/workflows/macos.yaml
+++ b/.github/workflows/macos.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Get pushed code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure CMake
         run: cmake -S . -B _build -DCMAKE_INSTALL_PREFIX:STRING=${GITHUB_WORKSPACE}/_built -G Ninja
diff --git a/.github/workflows/windows.yaml b/.github/workflows/windows.yaml
index 120636d2..fee34be3 100644
--- a/.github/workflows/windows.yaml
+++ b/.github/workflows/windows.yaml
@@ -15,7 +15,7 @@ jobs:
         config: [Debug, Release]
     steps:
       - name: Get pushed code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure CMake
         run: cmake -S . -B _build -DCMAKE_INSTALL_PREFIX:STRING=${GITHUB_WORKSPACE}/_built -G Ninja