diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cebbf7e..24c3c06 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: cargo fmt --all -- --check
   clippy:
     runs-on: ubuntu-20.04
@@ -16,13 +16,13 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: cargo clippy --all-features --all-targets
   rustdoc:
     runs-on: ubuntu-20.04
     steps:
       - uses: dtolnay/rust-toolchain@stable
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: cargo doc --all-features
   build:
     name: "Build and test"
@@ -43,7 +43,7 @@ jobs:
             rust: stable
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install ${{ matrix.rust }} toolchain
         uses: dtolnay/rust-toolchain@master