diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f04da54..f18a8bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,7 +43,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: unit tests
         run: |
@@ -59,7 +59,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: unit tests
         run: |
@@ -75,7 +75,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: test
         run: |
@@ -91,7 +91,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: unit tests
         run: |
@@ -107,7 +107,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: example tests
         run: |
diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
index 3768bc7..6631cbf 100644
--- a/.github/workflows/danger.yml
+++ b/.github/workflows/danger.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: ruby versions
         run: |
diff --git a/.github/workflows/pod-lint.yml b/.github/workflows/pod-lint.yml
index 33b8fb7..7cd59af 100644
--- a/.github/workflows/pod-lint.yml
+++ b/.github/workflows/pod-lint.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: ruby versions
         run: |
diff --git a/.github/workflows/spm.yml b/.github/workflows/spm.yml
index e4ab819..806dae0 100644
--- a/.github/workflows/spm.yml
+++ b/.github/workflows/spm.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: macos-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: xcode version
         run: xcodebuild -version -sdk