diff --git a/.github/workflows/audit.yaml b/.github/workflows/audit.yaml
index 84f2c40d..0387b549 100644
--- a/.github/workflows/audit.yaml
+++ b/.github/workflows/audit.yaml
@@ -6,7 +6,7 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/audit-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b8ffe2a8..6a1aecd2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
     name: rustfmt check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: echo "date=$(date -d '1 month ago' +'%Y-%m-%d')" >> $GITHUB_ENV
       - uses: dtolnay/rust-toolchain@master
         with:
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # reads toolchain info from /rust-toolchain.toml
       # we are using a fork of actions-rs/toolchain for rust-toolchain.toml support