diff --git a/.github/workflows/check-formatting.yaml b/.github/workflows/check-formatting.yaml
index f28e7bec..f44a7fd2 100644
--- a/.github/workflows/check-formatting.yaml
+++ b/.github/workflows/check-formatting.yaml
@@ -9,7 +9,7 @@ jobs:
     name: Check formatting
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e7fcf213..054f8257 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -40,7 +40,7 @@ jobs:
           node-version: 24
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -96,7 +96,7 @@ jobs:
         uses: microsoft/setup-msbuild@v2.0.0
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index ab799216..f8a5daca 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -23,7 +23,7 @@ jobs:
           update-alternatives --set g++ /usr/bin/g++-13
 
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -50,7 +50,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive