diff --git a/.github/workflows/rust-audit-check.yml b/.github/workflows/rust-audit-check.yml
index bed90fe..a1d8ad3 100644
--- a/.github/workflows/rust-audit-check.yml
+++ b/.github/workflows/rust-audit-check.yml
@@ -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/rustfmt.yml b/.github/workflows/rustfmt.yml
index 0ae8e86..1d819d3 100644
--- a/.github/workflows/rustfmt.yml
+++ b/.github/workflows/rustfmt.yml
@@ -13,7 +13,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions-rs/toolchain@v1
         with: