diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee3bee5..34877a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -46,7 +46,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Secret Scan (trufflehog)
         uses: trufflesecurity/trufflehog@v3
@@ -64,7 +64,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Node (for parsing if needed)
         uses: actions/setup-node@v4
         with:
@@ -78,7 +78,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Ensure scripts executable
         run: chmod +x scripts/check-spdx.sh || true
       - name: Install ORT prerequisites
@@ -120,7 +120,7 @@ jobs:
         language: ['javascript']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with: