diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index db3ea67..fb82f82 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: macos-15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Toolchain
         run: swift --version
       - name: Lint
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7a8f103..c971a07 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
   release:
     runs-on: macos-15      # Apple Silicon 러너 (Xcode + codesign)
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Show toolchain
         run: swift --version && xcodebuild -version