diff --git a/.github/workflows/backend-ci.yml b/.github/workflows/backend-ci.yml
index b1edfec..df1c2df 100644
--- a/.github/workflows/backend-ci.yml
+++ b/.github/workflows/backend-ci.yml
@@ -18,7 +18,7 @@ jobs:
         working-directory: backend
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Go
         uses: actions/setup-go@v5
diff --git a/.github/workflows/mobile-ci.yml b/.github/workflows/mobile-ci.yml
index d956897..d0baa0c 100644
--- a/.github/workflows/mobile-ci.yml
+++ b/.github/workflows/mobile-ci.yml
@@ -18,7 +18,7 @@ jobs:
         working-directory: mobile
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up JDK 17
         uses: actions/setup-java@v4
diff --git a/.github/workflows/sync-staging.yml b/.github/workflows/sync-staging.yml
index d5a9f0f..7472d52 100644
--- a/.github/workflows/sync-staging.yml
+++ b/.github/workflows/sync-staging.yml
@@ -27,7 +27,7 @@ jobs:
   sync:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: main
           fetch-depth: 0
diff --git a/.github/workflows/web-ci.yml b/.github/workflows/web-ci.yml
index 2b27fa3..1e18c48 100644
--- a/.github/workflows/web-ci.yml
+++ b/.github/workflows/web-ci.yml
@@ -18,7 +18,7 @@ jobs:
         working-directory: web
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: pnpm/action-setup@v4
         with: