diff --git a/.github/workflows/backend.yaml b/.github/workflows/backend.yaml
index 892b8eb..b6f70ef 100644
--- a/.github/workflows/backend.yaml
+++ b/.github/workflows/backend.yaml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # https://github.com/docker/login-action#github-container-registry
       - name: Login to GHCR
diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index d906319..1594f7a 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/create-release.yaml b/.github/workflows/create-release.yaml
index 2343ee9..7111327 100644
--- a/.github/workflows/create-release.yaml
+++ b/.github/workflows/create-release.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Push tag to remote
         id: fetch-latest-tag
diff --git a/.github/workflows/frontend.yaml b/.github/workflows/frontend.yaml
index 2a85f27..f109343 100644
--- a/.github/workflows/frontend.yaml
+++ b/.github/workflows/frontend.yaml
@@ -17,7 +17,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # https://github.com/actions/setup-node
       - name: Setup node.js environment
diff --git a/.github/workflows/git-pr-release.yaml b/.github/workflows/git-pr-release.yaml
index 20d2d02..bd4dc19 100644
--- a/.github/workflows/git-pr-release.yaml
+++ b/.github/workflows/git-pr-release.yaml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test-and-build.yaml b/.github/workflows/test-and-build.yaml
index 944817d..ce3505b 100644
--- a/.github/workflows/test-and-build.yaml
+++ b/.github/workflows/test-and-build.yaml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Filter Path
         uses: dorny/paths-filter@v3
@@ -70,7 +70,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup node.js environment
         uses: actions/setup-node@v4
diff --git a/.github/workflows/triage-issues.yaml b/.github/workflows/triage-issues.yaml
index 1bfcd79..55a582c 100644
--- a/.github/workflows/triage-issues.yaml
+++ b/.github/workflows/triage-issues.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Assign author to issue
         if: github.event.action == 'opened'
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Check Issue Title
         uses: hwakabh/semantic-issue-action@v0.5.10
diff --git a/.github/workflows/triage-pull-requests.yaml b/.github/workflows/triage-pull-requests.yaml
index 19ad420..a3ccbd4 100644
--- a/.github/workflows/triage-pull-requests.yaml
+++ b/.github/workflows/triage-pull-requests.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # - name: Assign author to PR
       #   if: github.event.action == 'opened'