diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 564af14..dca372f 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 7c6ef64..87ad8df 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -16,7 +16,7 @@ jobs:
           - '3.0'
           - '2.7'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
@@ -34,7 +34,7 @@ jobs:
   test_strict:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index faeac07..54b2ccd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: git config --global --add safe.directory /github/workspace
       - uses: ruby/setup-ruby@v1
         with: