diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6225319..602b2a5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v3
@@ -38,7 +38,7 @@ jobs:
     if: github.event_name == 'push'
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Restore artifact
         uses: actions/download-artifact@v3
@@ -73,7 +73,7 @@ jobs:
     name: Test (Node v${{ matrix.node-version }}, OS ${{ matrix.os }})
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Restore artifact
         uses: actions/download-artifact@v3
@@ -95,7 +95,7 @@ jobs:
     needs: test_push
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: master
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 214e61c..1c0c806 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL