diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 546bde8d..41530c48 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -8,7 +8,7 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/install@v0.1
         with:
           crate: cargo-audit
diff --git a/.github/workflows/audits.yml b/.github/workflows/audits.yml
index f515be42..d7ed1d50 100644
--- a/.github/workflows/audits.yml
+++ b/.github/workflows/audits.yml
@@ -10,7 +10,7 @@ jobs:
     name: Vet Rust dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         id: toolchain
       - run: rustup override set ${{steps.toolchain.outputs.name}}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af588599..088a4f2e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: cargo fetch
       - name: Build tests
         run: cargo build --workspace --verbose --exclude rage --all-features --tests
@@ -27,7 +27,7 @@ jobs:
           - wasm32-wasi
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Add target
         run: rustup target add ${{ matrix.target }}
       - run: cargo fetch
@@ -39,7 +39,7 @@ jobs:
     name: Bitrot
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install linux build dependencies
         run: sudo apt update && sudo apt install libfuse-dev
       - run: cargo check --all-targets --all-features
@@ -48,7 +48,7 @@ jobs:
     name: Clippy (MSRV)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install linux build dependencies
         run: sudo apt update && sudo apt install libfuse-dev
       - name: Clippy check
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         id: toolchain
       - run: rustup override set ${{steps.toolchain.outputs.name}}
@@ -83,7 +83,7 @@ jobs:
     name: Intra-doc links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: cargo fetch
       # Requires #![deny(rustdoc::broken_intra_doc_links)] in crates.
       - name: Check intra-doc links
@@ -93,6 +93,6 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Check formatting
         run: cargo fmt --all -- --check
diff --git a/.github/workflows/criterion.yml b/.github/workflows/criterion.yml
index a3359dea..87a21bc9 100644
--- a/.github/workflows/criterion.yml
+++ b/.github/workflows/criterion.yml
@@ -16,7 +16,7 @@ jobs:
     env:
       CRITERION_TOKEN: ${{ secrets.CRITERION_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run benchmarks
         run: |
           # run benchmarks and save baseline to "criterion.dev.temp"
diff --git a/.github/workflows/interop.yml b/.github/workflows/interop.yml
index 60e4e9ed..745c323a 100644
--- a/.github/workflows/interop.yml
+++ b/.github/workflows/interop.yml
@@ -16,7 +16,7 @@ jobs:
           -H 'Authorization: token ${{ secrets.AGE_STATUS_ACCESS_TOKEN }}' \
           --data '{"state": "pending", "target_url": "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}", "description": "In progress", "context": "Interoperability tests / Build rage"}'
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: cargo build
         run: cargo build --release --features unstable
         working-directory: ./rage
@@ -60,7 +60,7 @@ jobs:
         run: echo "AGE_REF=refs/heads/main" >> $GITHUB_ENV
 
       - name: Check out FiloSottile/age
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: FiloSottile/age
           ref: ${{ env.AGE_REF }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 882cdc3d..2a9a74d0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -62,7 +62,7 @@ jobs:
             asset_suffix: x86_64-darwin.tar.gz
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         id: toolchain
         with:
@@ -167,7 +167,7 @@ jobs:
             deb_flags: --variant=musl
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         id: toolchain
         with: