diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 198efd0..35d1a6c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ jobs:
       CARGO_HOME: ./cargo
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Rust
       run: |
         rustup toolchain install 1.73 --profile minimal --no-self-update
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4376eaa..5735f96 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Rust
       run: |
         rustup toolchain install 1.73 --profile minimal --no-self-update
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Rust
       run: |
         rustup toolchain install 1.73 --profile default
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Rust
       run: |
         rustup toolchain install 1.73 --profile default
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Rust
       run: |
         rustup toolchain install 1.73 --profile default