diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 07b3887..2e3f2b0 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c73a164..1b584d1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set VERSION from git tag
         run: echo "VERSION=$(echo ${{ github.ref }} | cut -d - -f 2)" >> "$GITHUB_ENV"
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d872491..ee2b2e9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
       COVERALLS_DEBUG: true
       CI_BUILD_NUMBER: ${{ github.run_id }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup ruby
         uses: ruby/setup-ruby@v1
@@ -88,7 +88,7 @@ jobs:
       # https://github.com/jruby/jruby/issues/7182#issuecomment-1112953015
       JAVA_OPTS: -Djdk.io.File.enableADS=true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install libidn (Ubuntu)
         if: startsWith(matrix.os, 'ubuntu')