diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67ea65904..78bb988a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,9 +28,9 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -39,16 +39,9 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          target: x86_64-unknown-linux-gnu
-          profile: minimal
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --workspace
+      - uses: dtolnay/rust-toolchain@nightly
+      - run: |
+          make check
 
   test:
     name: test ${{ matrix.target.triple }} (${{ matrix.target.toolchain }})
@@ -66,10 +59,10 @@ jobs:
           - { os: windows-latest, toolchain: stable, triple: i686-pc-windows-msvc }
     runs-on: ${{ matrix.target.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
         if: ${{ matrix.target.os == 'ubuntu-latest' }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ runner.os }}-cargo-${{ matrix.target.toolchain }}-${{ matrix.target.triple }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -78,18 +71,14 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.target.toolchain }}
-          target: ${{ matrix.target.triple }}
-          profile: minimal
-          override: true
+          targets: ${{ matrix.target.triple }}
       - name: "Run prepare tests"
         run: ci/prepare-tests.sh
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --workspace --all-features --no-fail-fast
+      - run: |
+          make test
 
   cross:
     if: ${{ github.event_name == 'push' || !github.event.pull_request.draft }}
@@ -106,10 +95,10 @@ jobs:
           - { os: ubuntu-latest, toolchain: stable, triple: aarch64-unknown-linux-gnu }
           - { os: ubuntu-latest, toolchain: stable, triple: aarch64-unknown-linux-musl }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
         if: ${{ matrix.target.os == 'ubuntu-latest' }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ runner.os }}-cargo-cross-${{ matrix.target.toolchain }}-${{ matrix.target.triple }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -118,17 +107,14 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.target.toolchain }}
-          target: ${{ matrix.target.triple }}
-          profile: minimal
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          use-cross: true
-          command: build
-          args: --workspace --all-features
+          targets: ${{ matrix.target.triple }}
+      - name: "Install cross"
+        run: cargo install -f cross
+      - run: |
+          cross build --target ${{ matrix.target.triple }}
 
   fuzz:
     if: ${{ github.event_name == 'push' || !github.event.pull_request.draft }}
@@ -141,9 +127,9 @@ jobs:
           - { name: record_ref, fuzz-dir: crates/pica-record/fuzz, target: fuzz_record_ref, max-total-time: 300 }
           - { name: select_query, fuzz-dir: crates/pica-select/fuzz, target: fuzz_query, max-total-time: 300 }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -152,27 +138,20 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - uses: actions-rs/install@v0.1
-        with:
-          crate: cargo-fuzz
-          version: latest
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fuzz
-          args: run --fuzz-dir ${{ matrix.item.fuzz-dir }} --jobs 2 ${{ matrix.item.target }} -- -max_total_time=${{ matrix.item.max-total-time }}
+      - uses: dtolnay/rust-toolchain@nightly
+      - name: "Install cargo-fuzz"
+        run: |
+          cargo install -f cargo-fuzz
+      - run: |
+          cargo fuzz run --fuzz-dir ${{ matrix.item.fuzz-dir }} --jobs 2 ${{ matrix.item.target }} -- -max_total_time=${{ matrix.item.max-total-time }}
 
   fmt:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -181,24 +160,19 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@nightly
         with:
-          profile: minimal
-          toolchain: nightly
-          override: true
           components: rustfmt
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+      - run: |
+          cargo fmt --all -- --check
 
   clippy:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -207,25 +181,20 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@nightly
         with:
-          profile: minimal
-          toolchain: nightly
-          override: true
           components: clippy
-      - uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --workspace -- -D warnings -D rust-2021-compatibility -W unreachable-pub
+      - run: |
+          cargo clippy --workspace -- -D warnings -D rust-2021-compatibility -W unreachable-pub
 
   # udeps:
   #   if: ${{ github.event_name == 'push' || !github.event.pull_request.draft }}
   #   runs-on: ubuntu-latest
   #   needs: test
   #   steps:
-  #     - uses: actions/checkout@v3
+  #     - uses: actions/checkout@v4
   #     - uses: abbbi/github-actions-tune@v1
-  #     - uses: actions/cache@v2
+  #     - uses: actions/cache@v3
   #       with:
   #         key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
   #         path: |
@@ -234,28 +203,21 @@ jobs:
   #           ~/.cargo/registry/cache/
   #           ~/.cargo/registry/index/
   #           target/
-  #     - uses: actions-rs/toolchain@v1
-  #       with:
-  #         profile: minimal
-  #         toolchain: nightly
-  #         override: true
-  #     - uses: actions-rs/install@v0.1
-  #       with:
-  #         crate: cargo-udeps
-  #         version: latest
-  #     - uses: actions-rs/cargo@v1
-  #       with:
-  #         command: udeps
-  #         args: --workspace
+  #     - uses: dtolnay/rust-toolchain@nightly
+  #     - name: "Install `cargo-udeps`"
+  #       run: |
+  #         cargo install -f cargo-udeps
+  #     - run: |
+  #         cargo udeps --workspace
 
   audit:
     if: ${{ github.ref == 'refs/heads/main' }}
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -264,12 +226,8 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - uses: actions-rs/audit-check@v1
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: rustsec/audit-check@v1.4.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -278,9 +236,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -289,15 +247,10 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - uses: actions-rs/install@v0.1
-        with:
-          crate: cargo-upgrades
-          version: latest
+      - uses: dtolnay/rust-toolchain@nightly
+      - name: "Install `cargo-upgrades`"
+        run: |
+          cargo install -f cargo-upgrades
       - run: |
           cargo upgrades
 
@@ -305,9 +258,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -316,12 +269,7 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-          components: clippy
+      - uses: dtolnay/rust-toolchain@nightly
       - uses: EmbarkStudios/cargo-deny-action@v1
         with:
           log-level: warn
@@ -334,9 +282,8 @@ jobs:
     needs: test
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
-    - name: Install Rust
-      uses: dtolnay/rust-toolchain@miri
+      uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@miri
     - run: cargo miri test --workspace --lib --verbose
       env:
         MIRIFLAGS: -Zmiri-strict-provenance
@@ -349,9 +296,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -360,15 +307,10 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - uses: actions-rs/install@v0.1
-        with:
-          version: latest
-          crate: mdbook
+      - uses: dtolnay/rust-toolchain@nightly
+      - name: "Install `mdbook`"
+        run: |
+          cargo install -f mdbook
       - run: |
           mdbook build docs/book
           mdbook test docs/book
@@ -390,9 +332,9 @@ jobs:
       - upgrades
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -401,15 +343,10 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - uses: actions-rs/install@v0.1
-        with:
-          version: latest
-          crate: mdbook
+      - uses: dtolnay/rust-toolchain@nightly
+      - name: "Install `mdbook`"
+        run: |
+          cargo install -f mdbook
       - run: |
           mkdir -p target/docs
           cargo doc --all --no-deps --workspace --target-dir target/docs/api
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index dbeb90a0a..8be0ef2f6 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -9,9 +9,9 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ runner.os }}-cargo-stable-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -20,20 +20,17 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
-      - uses: actions-rs/audit-check@v1
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: rustsec/audit-check@v1.4.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
   upgrades:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: abbbi/github-actions-tune@v1
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           key: ${{ env.CACHE_KEY }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -42,12 +39,9 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-      - run: |
+      - uses: dtolnay/rust-toolchain@stable
+      - name: "Install `cargo-upgrades`"
+        run: |
           cargo install -f cargo-upgrades
       - run: |
           cargo upgrades
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9cfa355f6..7504a58d7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,8 +6,7 @@ on:
     - 'v*'
 
 env:
-  # RUSTFLAGS: -D warnings -W unreachable-pub -W rust-2021-compatibility
-  RUSTFLAGS: -D warnings -W rust-2021-compatibility
+  RUSTFLAGS: -D warnings -W unreachable-pub -W rust-2021-compatibility
   RUSTUP_MAX_RETRIES: 10
   CARGO_INCREMENTAL: 0
 
@@ -36,14 +35,14 @@ jobs:
           - { image: "ubuntu:22.04", triple: x86_64-unknown-linux-gnu, glibc: 2.35 }
           - { image: "ubuntu:20.04", triple: x86_64-unknown-linux-gnu, glibc: 2.31 }
           - { image: "debian:10", triple: x86_64-unknown-linux-gnu, glibc: 2.28 }
-          - { image: "centos:centos7", triple: x86_64-unknown-linux-gnu, glibc: 2.17 }
+          # - { image: "centos:centos7", triple: x86_64-unknown-linux-gnu, glibc: 2.17 }
     container:
       image: ${{ matrix.target.image }}
     steps:
       - name: "Print glibc version"
         run: ldd --version
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v3
         with:
           key: ${{ runner.os }}-cargo-stable-${{ matrix.target.triple }}-glibc${{ matrix.target.glibc }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -61,22 +60,15 @@ jobs:
       - name: "Install packages (CentOS)"
         if: ${{ startsWith(matrix.target.image, 'centos') }}
         run: yum install gcc -y
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
           target: ${{ matrix.target.triple }}
-          profile: minimal
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --release --workspace
       - name: "Run prepare tests"
         run: ci/prepare-tests.sh
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --release --workspace
+      - run: |
+          cargo build --release --workspace
+          cargo test --release --workspace
       - name: "Strip release binary"
         run: |
           # strip target/release/pica-lint
@@ -95,7 +87,7 @@ jobs:
           tar cfvz "$staging.tar.gz" "$staging/"
           echo "filename=$staging.tar.gz" >> $GITHUB_OUTPUT
           echo "ASSET_PATH=$staging.tar.gz" >> $GITHUB_ENV
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: ${{ env.ASSET_PATH }}
           path: ${{ env.ASSET_PATH }}
@@ -111,8 +103,8 @@ jobs:
           - { triple: x86_64-pc-windows-msvc, variant: "MSVC" }
           - { triple: x86_64-pc-windows-gnu, variant: "GNU" }
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v3
         with:
           key: ${{ runner.os }}-cargo-stable-${{ matrix.target.triple }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -121,22 +113,15 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
           target: ${{ matrix.target.triple }}
-          profile: minimal
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --release --workspace
       - name: "Run prepare tests"
         run: ci/prepare-tests.sh
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --release --workspace
+      - run: |
+          cargo build --release --workspace
+          cargo test --release --workspace
       - name: "Build release archive"
         id: build-archive
         shell: bash
@@ -148,7 +133,7 @@ jobs:
           cp "target/release/pica-lint.exe" "$staging/"
           7z a "$staging.zip" "$staging/"
           echo "ASSET_PATH=$staging.zip" >> $GITHUB_ENV
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: ${{ env.ASSET_PATH }}
           path: ${{ env.ASSET_PATH }}
@@ -163,8 +148,8 @@ jobs:
         target:
           - { triple: x86_64-apple-darwin }
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v3
         with:
           key: ${{ runner.os }}-cargo-stable-${{ matrix.target.triple }}-${{ hashFiles('**/Cargo.toml') }}
           path: |
@@ -173,23 +158,15 @@ jobs:
             ~/.cargo/registry/cache/
             ~/.cargo/registry/index/
             target/
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
           target: ${{ matrix.target.triple }}
-          profile: minimal
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --release --workspace
       - name: "Run prepare tests"
         run: ci/prepare-tests.sh
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --release --workspace
+      - run: |
+          cargo build --release --workspace
+          cargo test --release --workspace
       - name: "Strip release binary"
         run: |
           strip target/release/pica-lint
@@ -204,7 +181,7 @@ jobs:
           cp "target/release/pica" "$staging/"
           tar cfvz "$staging.tar.gz" "$staging/"
           echo "ASSET_PATH=$staging.tar.gz" >> $GITHUB_ENV
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: ${{ env.ASSET_PATH }}
           path: ${{ env.ASSET_PATH }}
@@ -217,8 +194,8 @@ jobs:
     strategy:
       matrix:
         target:
-          - { triple: x86_64-unknown-linux-gnu, glibc: 2.17, format: deb }
-          - { triple: x86_64-unknown-linux-gnu, glibc: 2.17, format: rpm }
+          # - { triple: x86_64-unknown-linux-gnu, glibc: 2.17, format: deb }
+          # - { triple: x86_64-unknown-linux-gnu, glibc: 2.17, format: rpm }
           - { triple: x86_64-unknown-linux-gnu, glibc: 2.28, format: deb }
           - { triple: x86_64-unknown-linux-gnu, glibc: 2.28, format: rpm }
           - { triple: x86_64-unknown-linux-gnu, glibc: 2.31, format: deb }
@@ -226,9 +203,9 @@ jobs:
           - { triple: x86_64-unknown-linux-gnu, glibc: 2.35, format: deb }
           - { triple: x86_64-unknown-linux-gnu, glibc: 2.35, format: rpm }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Download binary release
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: pica-${{ needs.version.outputs.VERSION }}-${{ matrix.target.triple }}-glibc${{ matrix.target.glibc }}.tar.gz
       - name: Extract binary release
@@ -243,7 +220,7 @@ jobs:
           arch: x86_64
           format: ${{ matrix.target.format }}
           package: .github/actions-rs/package.yaml
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: ${{ steps.build_rpm.outputs.package }}
           path: ${{ steps.build_rpm.outputs.package }}
@@ -262,17 +239,17 @@ jobs:
           - { name: "Ubuntu 22.04", image: "ubuntu:22.04", glibc: 2.35 }
           - { name: "Ubuntu 21.10", image: "ubuntu:21.10", glibc: 2.35 }
           - { name: "Ubuntu 20.04", image: "ubuntu:20.04", glibc: 2.31 }
-          - { name: "CentOS 7", image: "centos:7", glibc: 2.17 }
+          # - { name: "CentOS 7", image: "centos:7", glibc: 2.17 }
           - { name: "CentOS 8", image: "centos:8", glibc: 2.28 }
     steps:
       - name: "Download Package (DEB)"
         if: ${{ !startsWith(matrix.target.name, 'CentOS') }}
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: pica_${{ needs.version.outputs.VERSION }}-glibc${{ matrix.target.glibc}}-1_amd64.deb
       - name: "Download Package (RPM)"
         if: ${{ startsWith(matrix.target.name, 'CentOS') }}
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: pica-${{ needs.version.outputs.VERSION }}-glibc${{ matrix.target.glibc }}-1.x86_64.rpm
       - name: Fix CentoOS8
@@ -305,7 +282,7 @@ jobs:
       - version
     steps:
       - name: "Download releases/packages"
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
       - name: Assemble data
         run: |
           mkdir uploads/
diff --git a/Makefile b/Makefile
new file mode 100644
index 000000000..80395386d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+CARGO ?= cargo
+
+.PHONY: check
+check:
+	$(CARGO) check --workspace --all-features
+
+.PHONY: test
+test:
+	$(CARGO) test --workspace --all-features --no-fail-fast
diff --git a/docs/book/src/anleitungen/installation.md b/docs/book/src/anleitungen/installation.md
index c32cb661c..38c47f7b4 100644
--- a/docs/book/src/anleitungen/installation.md
+++ b/docs/book/src/anleitungen/installation.md
@@ -25,11 +25,6 @@ Download bereit. Diese können mit folgendem Kommando installiert werden:
 $ rpm -i pica-0.20.0-glibc2.35-1.x86_64.rpm
 ```
 
-Für altere Distributionen (bspw. CentOS 7) stehen spezielle `RPM`-Pakete
-bereit, die eine ältere Version der
-[GNU C Library (glibc)](https://www.gnu.org/software/libc) verwenden
-(`2.17` und `2.31`).
-
 ## Binary-Releases
 
 Für die Betriebssysteme Linux, macOS und Windows stehen mit jeder neuen Version Binaries zum