diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a74a6a3df..fe1a6ee68 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
       GH_REPO: ${{ github.repository }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - uses: ./
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d9371a319..06c7d7d44 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -99,7 +99,7 @@ jobs:
     name: ${{ matrix.os }} ${{ matrix.ruby }}
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: ./
       with:
@@ -206,7 +206,7 @@ jobs:
     name: "Test .ruby-version"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: echo "ruby-3.4.0" > .ruby-version
       - uses: ./
       - run: ruby -v | grep -F "ruby 3.4.0"
@@ -215,7 +215,7 @@ jobs:
     name: "Test .tool-versions"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: echo -e "nodejs 16.0.0\nruby   3.4.0" > .tool-versions
       - uses: ./
       - run: ruby -v | grep -F "ruby 3.4.0"
@@ -224,7 +224,7 @@ jobs:
     name: "Test mise.toml"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: echo -e "[tools]\nnode = '18'\nruby = '3.4.0'" > mise.toml
       - uses: ./
       - run: ruby -v | grep -F "ruby 3.4.0"
@@ -233,7 +233,7 @@ jobs:
     name: "Test with no Gemfile"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rm Gemfile
       - uses: ./
         with:
@@ -244,7 +244,7 @@ jobs:
     name: "Test with no Gemfile but with bundler-cache"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rm Gemfile
       - uses: ./
         with:
@@ -267,7 +267,7 @@ jobs:
         - { ruby: '2.3', expected_rubygems_version: '3.3.27' }
         - { ruby: '2.0', expected_rubygems_version: '2.7.11' }
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ./
       with:
         ruby-version: ${{ matrix.ruby }}
@@ -278,7 +278,7 @@ jobs:
     name: "Test rubygems: version upgrades RubyGems to that version if the default is older"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -289,7 +289,7 @@ jobs:
     name: "Test rubygems: version noops if the default is newer"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ./
       with:
         ruby-version: '3.1.0'
@@ -300,7 +300,7 @@ jobs:
     name: "Test rubygems: version uses the Bundler installed by the rubygems update"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: '3.1.0'
@@ -312,7 +312,7 @@ jobs:
     name: "Test bundler: 1.x for old Ruby"
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: '2.3'
@@ -323,7 +323,7 @@ jobs:
     name: "Test with a major Bundler version"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -334,7 +334,7 @@ jobs:
     name: "Test with a minor Bundler version"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -345,7 +345,7 @@ jobs:
     name: "Test with an exact Bundler version"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: ./
       with:
         ruby-version: '2.6'
@@ -356,7 +356,7 @@ jobs:
     name: "Test with a Bundler pre/rc version"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: '2.6'
@@ -369,7 +369,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/bundler-dev.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: ruby-head
@@ -381,7 +381,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/bundler1.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: '2.7'
@@ -399,7 +399,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: '3.2'
@@ -412,7 +412,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/nokogiri.gemfile
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: truffleruby-head
@@ -423,7 +423,7 @@ jobs:
     name: "Test windows-toolchain: none"
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           ruby-version: '2.7'
@@ -435,7 +435,7 @@ jobs:
   lint:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - run: yarn install
     - run: yarn run package
     - name: Check generated files are up to date
diff --git a/.github/workflows/update-v1-branch.yml b/.github/workflows/update-v1-branch.yml
index 6382676df..9ff06ada4 100644
--- a/.github/workflows/update-v1-branch.yml
+++ b/.github/workflows/update-v1-branch.yml
@@ -9,7 +9,7 @@ jobs:
   update_branch:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - run: git push origin HEAD:v1