diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 1bb2549..e985d98 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -29,7 +29,7 @@ jobs:
       MDBOOK_KATEX_VERSION: 0.9.2
       MDBOOK_LINKCHECK_VERSION: 0.7.7
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install cargo-binstall
         uses: cargo-bins/cargo-binstall@main
diff --git a/.github/workflows/labels.yaml b/.github/workflows/labels.yaml
index 8928d4e..a7f04c0 100644
--- a/.github/workflows/labels.yaml
+++ b/.github/workflows/labels.yaml
@@ -12,7 +12,7 @@ jobs:
   sync:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - uses: micnncim/action-label-syncer@v1
         env:
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 0853d8e..fc2b0e5 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
diff --git a/.github/workflows/mdbook-build.yaml b/.github/workflows/mdbook-build.yaml
index 0ea1d1c..e9b1737 100644
--- a/.github/workflows/mdbook-build.yaml
+++ b/.github/workflows/mdbook-build.yaml
@@ -12,7 +12,7 @@ jobs:
       MDBOOK_KATEX_VERSION: 0.9.2
       MDBOOK_LINKCHECK_VERSION: 0.7.7
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Install cargo-binstall
         uses: cargo-bins/cargo-binstall@main
diff --git a/.github/workflows/release-plz.yaml b/.github/workflows/release-plz.yaml
index 436bb2f..1f419f4 100644
--- a/.github/workflows/release-plz.yaml
+++ b/.github/workflows/release-plz.yaml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install Rust toolchain
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 362a8b7..35c4695 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Codespell
         run: pip install codespell
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index aaf8a7f..f1b9a2c 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install Rust
       uses: dtolnay/rust-toolchain@master