diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab80ae61e7..588296d490 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
     name: rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: sfackler/actions/rustup@master
       - uses: sfackler/actions/rustfmt@master
 
@@ -32,23 +32,23 @@ jobs:
     name: clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: sfackler/actions/rustup@master
       - run: echo "version=$(rustc --version)" >> $GITHUB_OUTPUT
         id: rust-version
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/index
           key: index-${{ runner.os }}-${{ github.run_number }}
           restore-keys: |
             index-${{ runner.os }}-
       - run: cargo generate-lockfile
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/cache
           key: registry-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
       - run: cargo fetch
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: target
           key: target-${{ github.job }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
@@ -58,26 +58,26 @@ jobs:
     name: min-version
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Remember to also update `--rust-target` in `openssl-sys/build/run_bindgen.rs`
       - uses: sfackler/actions/rustup@master
         with:
           version: 1.56.0
       - run: echo "version=$(rustc --version)" >> $GITHUB_OUTPUT
         id: rust-version
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/index
           key: index-${{ runner.os }}-${{ github.run_number }}
           restore-keys: |
             index-${{ runner.os }}-
       - run: cargo generate-lockfile
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/cache
           key: registry-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
       - run: cargo fetch
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: target
           key: target-${{ github.job }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
@@ -87,25 +87,25 @@ jobs:
     name: windows-vcpkg
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: sfackler/actions/rustup@master
       - run: echo "version=$(rustc --version)" >> $GITHUB_OUTPUT
         id: rust-version
       - run: echo "VCPKG_ROOT=$env:VCPKG_INSTALLATION_ROOT" | Out-File -FilePath $env:GITHUB_ENV -Append
       - run: vcpkg install openssl:x64-windows-static-md
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/index
           key: index-${{ runner.os }}-${{ github.run_number }}
           restore-keys: |
             index-${{ runner.os }}-
       - run: cargo generate-lockfile
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/cache
           key: registry-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
       - run: cargo fetch
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: target
           key: target-${{ github.job }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
@@ -117,26 +117,22 @@ jobs:
     name: macos-homebrew
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: sfackler/actions/rustup@master
       - run: echo "version=$(rustc --version)" >> $GITHUB_OUTPUT
         id: rust-version
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/index
           key: index-${{ runner.os }}-${{ github.run_number }}
           restore-keys: |
             index-${{ runner.os }}-
       - run: cargo generate-lockfile
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry/cache
           key: registry-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
       - run: cargo fetch
-      # - uses: actions/cache@v3
-      #   with:
-      #     path: target
-      #     key: target-${{ github.job }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
       - run: cargo run -p systest
       - run: cargo test -p openssl
       - run: cargo test -p openssl-errors
@@ -211,7 +207,7 @@ jobs:
         CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_AR: arm-linux-gnueabihf-ar
         CARGO_TARGET_ARM_UNKNOWN_LINUX_GNUEABIHF_RUNNER: qemu-arm -L /usr/arm-linux-gnueabihf
       steps:
-        - uses: actions/checkout@v3
+        - uses: actions/checkout@v4
         - uses: sfackler/actions/rustup@master
         - run: echo "version=$(rustc --version)" >> $GITHUB_OUTPUT
           id: rust-version
@@ -233,7 +229,7 @@ jobs:
             sudo apt-get update
             sudo apt-get install -y $packages
         - run: sudo apt-get remove -y libssl-dev
-        - uses: actions/cache@v3
+        - uses: actions/cache@v4
           with:
             path: /opt/openssl
             key: openssl-${{ matrix.target }}-${{ matrix.library.name }}-${{ matrix.library.version }}-6
@@ -320,19 +316,19 @@ jobs:
             echo '[patch.crates-io]' > .cargo/config.toml
             echo 'bssl-sys = { path = "'$OPENSSL_DIR'/rust/bssl-sys" }' >> .cargo/config.toml
           if: matrix.library.name == 'boringssl' && !matrix.bindgen
-        - uses: actions/cache@v3
+        - uses: actions/cache@v4
           with:
             path: ~/.cargo/registry/index
             key: index-${{ runner.os }}-${{ github.run_number }}
             restore-keys: |
               index-${{ runner.os }}-
         - run: cargo generate-lockfile
-        - uses: actions/cache@v3
+        - uses: actions/cache@v4
           with:
             path: ~/.cargo/registry/cache
             key: registry-${{ runner.os }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}
         - run: cargo fetch
-        - uses: actions/cache@v3
+        - uses: actions/cache@v4
           with:
             path: target
             key: target-${{ matrix.target }}-${{ matrix.bindgen }}-${{ matrix.library.name }}-${{ matrix.library.version }}-${{ steps.rust-version.outputs.version }}-${{ hashFiles('Cargo.lock') }}