diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 261b3b9..35f4e30 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
             features: nightly
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install rust toolchain
         run: rustup toolchain install ${{ matrix.toolchain }} --no-self-update
       - name: Set default toolchain
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install rust toolchain
         run: rustup toolchain install nightly --no-self-update --component miri
       - name: Set default toolchain
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c5b5eb1..4124167 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install rust toolchain
         run: rustup update --no-self-update stable
       - name: Publish crate