diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 9df8018..ecc37b4 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install Nix
         uses: cachix/install-nix-action@v30
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e3dac1c..3afdcd8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       PYTHONPATH: ${{ github.workspace }}/packages/neuronix-core:${{ github.workspace }}/packages/conductor-runtime:${{ github.workspace }}/packages/conductor-mcp:${{ github.workspace }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install Nix with Flakes Support
         uses: cachix/install-nix-action@v30
@@ -255,7 +255,7 @@ jobs:
     name: Security Audit & Vulnerability Scan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Install Nix with Flakes Support
         uses: cachix/install-nix-action@v30
diff --git a/.github/workflows/release-iso.yml b/.github/workflows/release-iso.yml
index 3ba621c..23fa789 100644
--- a/.github/workflows/release-iso.yml
+++ b/.github/workflows/release-iso.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Install Nix with Flakes Support
         uses: cachix/install-nix-action@v30