diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7430cb6..2403d48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
             os: macos-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install build dependencies
         run: sudo apt install ${{ matrix.build_deps }}
         if: matrix.build_deps != ''
@@ -38,7 +38,7 @@ jobs:
     name: Code coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install build dependencies
         run: sudo apt install libpcsclite-dev
       - name: Install coverage dependencies
@@ -52,7 +52,7 @@ jobs:
     name: Intra-doc links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install build dependencies
         run: sudo apt install libpcsclite-dev
       - run: cargo fetch
@@ -65,6 +65,6 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check formatting
         run: cargo fmt -- --check
diff --git a/.github/workflows/lints-beta.yml b/.github/workflows/lints-beta.yml
index 3129eca..98604b4 100644
--- a/.github/workflows/lints-beta.yml
+++ b/.github/workflows/lints-beta.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@beta
         id: toolchain
       - run: rustup override set ${{steps.toolchain.outputs.name}}
diff --git a/.github/workflows/lints-stable.yml b/.github/workflows/lints-stable.yml
index d8bf84a..0aaac1a 100644
--- a/.github/workflows/lints-stable.yml
+++ b/.github/workflows/lints-stable.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install build dependencies
         run: sudo apt install libpcsclite-dev
       - name: Run clippy
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d8528d9..c0902c8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -48,7 +48,7 @@ jobs:
             asset_suffix: x86_64-darwin.tar.gz
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         id: toolchain
       - run: rustup override set ${{steps.toolchain.outputs.name}}
@@ -106,7 +106,7 @@ jobs:
               libpcsclite-dev
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         id: toolchain
       - run: rustup override set ${{steps.toolchain.outputs.name}}