diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 245d6b4..d37f549 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
         run: |
           git config --system core.autocrlf false
           git config --system core.eol lf
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: MSP-Greg/setup-ruby-pkgs@v1
         with:
           apt-get: _update_ build-essential cmake
@@ -57,14 +57,14 @@ jobs:
         run: |
           git config --system core.autocrlf false
           git config --system core.eol lf
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: MSP-Greg/setup-ruby-pkgs@v1
         with:
           apt-get: _update_ build-essential cmake
           mingw: _upgrade_ cmake
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: examples/ports/archives
           key: examples-${{ hashFiles('examples/Rakefile') }}
@@ -78,8 +78,8 @@ jobs:
       - run: |
           dnf group install -y "C Development Tools and Libraries"
           dnf install -y ruby ruby-devel libyaml-devel git-all patch cmake xz
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v3
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
         with:
           path: examples/ports/archives
           key: examples-${{ hashFiles('examples/Rakefile') }}