diff --git a/.github/workflows/backend-ci.yml b/.github/workflows/backend-ci.yml
index 22d0f10..03eb90e 100644
--- a/.github/workflows/backend-ci.yml
+++ b/.github/workflows/backend-ci.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET 9
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/frontend-ci.yml b/.github/workflows/frontend-ci.yml
index e56ff1a..5955131 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: Setup Node 20
         uses: actions/setup-node@v4