diff --git a/.github/workflows/e2e-pipeline.yml b/.github/workflows/e2e-pipeline.yml
index 4b629b8a..15534dfc 100644
--- a/.github/workflows/e2e-pipeline.yml
+++ b/.github/workflows/e2e-pipeline.yml
@@ -43,7 +43,7 @@ jobs:
     name: "Lint & Static Analysis"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -86,7 +86,7 @@ jobs:
           - 5432:5432
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -142,7 +142,7 @@ jobs:
     if: ${{ github.event.inputs.skip_contracts != 'true' }}
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install Rust (${{ env.RUST_TOOLCHAIN }})
         uses: dtolnay/rust-toolchain@stable
@@ -254,7 +254,7 @@ jobs:
         # (GitHub Actions services don't support 'command' — use a workaround)
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/smart-contract-tests.yml b/.github/workflows/smart-contract-tests.yml
index f39362d4..d784de04 100644
--- a/.github/workflows/smart-contract-tests.yml
+++ b/.github/workflows/smart-contract-tests.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       
       - name: Install Rust
         uses: actions-rs/toolchain@v1
@@ -88,7 +88,7 @@ jobs:
           - 5432:5432
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -122,7 +122,7 @@ jobs:
     needs: [smart-contract-tests, backend-tests]
     
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 76e7002f..b278d8ca 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/vulnerability-scan.yml b/.github/workflows/vulnerability-scan.yml
index 2cd9b509..74b57e17 100644
--- a/.github/workflows/vulnerability-scan.yml
+++ b/.github/workflows/vulnerability-scan.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
@@ -60,7 +60,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Node.js
         uses: actions/setup-node@v6