diff --git a/.github/workflows/ci-version.yml b/.github/workflows/ci-version.yml
index c7a69bd..f1bc66c 100644
--- a/.github/workflows/ci-version.yml
+++ b/.github/workflows/ci-version.yml
@@ -24,7 +24,7 @@ jobs:
     name: Test ${{ matrix.toolchain }} on ${{ matrix.os }} (${{ matrix.features }})
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9102bb..760b6f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: nightly
@@ -19,7 +19,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           components: clippy
@@ -42,7 +42,7 @@ jobs:
     name: Test ${{ matrix.toolchain }} on ${{ matrix.os }} (${{ matrix.features }})
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}