diff --git a/.github/workflows/coverage-badge.yml b/.github/workflows/coverage-badge.yml
index dde1851..099e9bc 100644
--- a/.github/workflows/coverage-badge.yml
+++ b/.github/workflows/coverage-badge.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Use Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/dependency-audit.yml b/.github/workflows/dependency-audit.yml
index 8c366e4..4f37fd6 100644
--- a/.github/workflows/dependency-audit.yml
+++ b/.github/workflows/dependency-audit.yml
@@ -21,7 +21,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Use Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/frontend-ci.yml b/.github/workflows/frontend-ci.yml
index 57dd2bb..6839ffc 100644
--- a/.github/workflows/frontend-ci.yml
+++ b/.github/workflows/frontend-ci.yml
@@ -24,7 +24,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Use Node.js
               uses: actions/setup-node@v4