diff --git a/.github/workflows/build-desktop.yml b/.github/workflows/build-desktop.yml
index 34e054b..4fc29ce 100644
--- a/.github/workflows/build-desktop.yml
+++ b/.github/workflows/build-desktop.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 90
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-action@stable
@@ -123,7 +123,7 @@ jobs:
     runs-on: windows-latest
     timeout-minutes: 90
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-action@stable
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 733d45f..37a8752 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
       run:
         working-directory: ./crablet
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-action@stable
@@ -86,7 +86,7 @@ jobs:
       run:
         working-directory: ./crablet
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-action@stable
@@ -110,7 +110,7 @@ jobs:
       run:
         working-directory: ./crablet
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust (MSRV)
         uses: dtolnay/rust-action@stable
@@ -138,7 +138,7 @@ jobs:
       run:
         working-directory: ./crablet
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-action@stable
@@ -162,7 +162,7 @@ jobs:
       run:
         working-directory: ./frontend
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index 8fe24fc..5e9646a 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Validate docker compose configuration
         run: docker compose -f docker-compose.yml config -q
@@ -55,7 +55,7 @@ jobs:
     timeout-minutes: 60
     needs: compose-validate
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
@@ -81,7 +81,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index da24d9d..1df3c0a 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -47,7 +47,7 @@ jobs:
         working-directory: ./crablet
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-action@stable
@@ -105,7 +105,7 @@ jobs:
         working-directory: ./frontend
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 2681e2a..f35cc95 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Setup Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index c3359a9..16724c1 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Review dependency changes
         uses: actions/dependency-review-action@v5
@@ -58,7 +58,7 @@ jobs:
       run:
         working-directory: ./crablet
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-action@stable
@@ -90,7 +90,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-action@stable
@@ -118,7 +118,7 @@ jobs:
       run:
         working-directory: ./frontend
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -138,7 +138,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Run Trivy vulnerability scan
         uses: aquasecurity/trivy-action@v0.36.0