diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83e3aec..1158712 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
     runs-on: macOS-13
     steps:
       - name: git checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: unit tests
         run: |
diff --git a/.github/workflows/pod-lint.yml b/.github/workflows/pod-lint.yml
index d699d4a..8bfa657 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@v5
+        uses: actions/checkout@v6
 
       - name: ruby versions
         run: |
diff --git a/.github/workflows/spm.yml b/.github/workflows/spm.yml
index 4b25b01..5ccec81 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@v5
+        uses: actions/checkout@v6
 
       - name: xcode version
         run: xcodebuild -version -sdk