diff --git a/.github/workflows/gem-install.yml b/.github/workflows/gem-install.yml
index 967235ac..b52f820a 100644
--- a/.github/workflows/gem-install.yml
+++ b/.github/workflows/gem-install.yml
@@ -23,7 +23,7 @@ jobs:
     outputs:
       rcd_image_version: ${{steps.rcd_image_version.outputs.rcd_image_version}}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         with:
           path: ports/archives
@@ -40,7 +40,7 @@ jobs:
     needs: ["setup"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         with:
           path: ports/archives
@@ -65,7 +65,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1", "3.2", "head", "truffleruby-head"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -85,7 +85,7 @@ jobs:
         ruby: ["3.1", "3.2", "truffleruby-head"]
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -108,7 +108,7 @@ jobs:
         ruby: ["3.0"]
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -131,7 +131,7 @@ jobs:
         ruby: ["3.1", "3.2"]
     runs-on: windows-2022
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -161,7 +161,7 @@ jobs:
           - "x86_64-linux"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v3
         with:
           path: ports/archives
@@ -185,7 +185,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1", "3.2"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/download-artifact@v3
         with:
           name: cruby-aarch64-linux-gem
@@ -205,7 +205,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1", "3.2"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/download-artifact@v3
         with:
           name: cruby-arm-linux-gem
@@ -229,7 +229,7 @@ jobs:
         ruby: ["3.1", "3.2"]
     runs-on: windows-2022
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -250,7 +250,7 @@ jobs:
         ruby: ["2.7", "3.0"]
     runs-on: windows-2019
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -271,7 +271,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1", "3.2"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/download-artifact@v3
         with:
           name: cruby-x86-linux-gem
@@ -291,7 +291,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1", "3.2"]
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -309,7 +309,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1", "3.2"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "${{matrix.ruby}}"
@@ -329,7 +329,7 @@ jobs:
     container:
       image: ruby:${{matrix.ruby}}-alpine
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/download-artifact@v3
         with:
           name: cruby-x86_64-linux-gem
diff --git a/.github/workflows/sqlite3-ruby.yml b/.github/workflows/sqlite3-ruby.yml
index 172fbff2..2c0667dd 100644
--- a/.github/workflows/sqlite3-ruby.yml
+++ b/.github/workflows/sqlite3-ruby.yml
@@ -41,7 +41,7 @@ jobs:
         run: |
           git config --system core.autocrlf false
           git config --system core.eol lf
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: ${{matrix.ruby}}
@@ -72,7 +72,7 @@ jobs:
     container:
       image: ruby:2.7.5-buster # old enough to not support SQLITE_DBCONFIG_DQS_DDL
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: bundle install
       - run: bundle exec rake compile -- --enable-system-libraries
       - run: bundle exec rake test
@@ -87,7 +87,7 @@ jobs:
       - run: |
           dnf group install -y "C Development Tools and Libraries"
           dnf install -y ruby ruby-devel libyaml-devel
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: bundle install
       - run: bundle exec rake compile -- --disable-system-libraries
       - run: bundle exec rake test
@@ -108,7 +108,7 @@ jobs:
         run: |
           git config --system core.autocrlf false
           git config --system core.eol lf
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: ${{matrix.ruby}}
@@ -123,7 +123,7 @@ jobs:
   valgrind:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby-pkgs@v1
         with:
           ruby-version: "3.2"
diff --git a/.github/workflows/upstream.yml b/.github/workflows/upstream.yml
index c0acb2df..68af68cd 100644
--- a/.github/workflows/upstream.yml
+++ b/.github/workflows/upstream.yml
@@ -11,7 +11,7 @@ jobs:
   sqlite-head:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: |
           git clone --depth=1 https://github.com/sqlite/sqlite
           git -C sqlite log -n1