diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b3b4f451..11196265 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@v2
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/functional-test.yml b/.github/workflows/functional-test.yml
index 6e47abb7..11a15df9 100644
--- a/.github/workflows/functional-test.yml
+++ b/.github/workflows/functional-test.yml
@@ -57,7 +57,7 @@ jobs:
       IOS_DEVICE_NAME: iPhone 16 Plus
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Install Node.js
       uses: actions/setup-node@v5
@@ -124,7 +124,7 @@ jobs:
       IOS_DEVICE_NAME: iPhone 16 Plus
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - name: Install Node.js
       uses: actions/setup-node@v3
@@ -238,7 +238,7 @@ jobs:
       ARCH: x86_64
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
     - uses: actions/setup-java@v3
       with:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index b3a3f1a9..c36f2d22 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -19,7 +19,7 @@ jobs:
       UNIT_TEST: true
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
@@ -47,7 +47,7 @@ jobs:
       UNIT_TEST: true
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: