diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3504292f..347c815e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           python-version: ${{ matrix.python }}
@@ -49,7 +49,7 @@ jobs:
       matrix:
         python: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           python-version: ${{ matrix.python }}
diff --git a/.github/workflows/coana-analysis.yml b/.github/workflows/coana-analysis.yml
index 90bfa069..9708312e 100644
--- a/.github/workflows/coana-analysis.yml
+++ b/.github/workflows/coana-analysis.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run Coana CLI
         id: coana-cli
diff --git a/.github/workflows/coana-guardrail.yml b/.github/workflows/coana-guardrail.yml
index 6928ce02..7595aa5e 100644
--- a/.github/workflows/coana-guardrail.yml
+++ b/.github/workflows/coana-guardrail.yml
@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Checkout the ${{github.base_ref}} branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{github.base_ref}} # checkout the base branch (usually master/main).
 
@@ -44,7 +44,7 @@ jobs:
         run: sudo chown -R $USER:$USER .
 
       - name: Checkout the current branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           clean: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5cecbe77..92465e3d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
           private-key: ${{ secrets.SDK_BOT_PRIVATE_KEY }}
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.generate-token.outputs.token }}
 
@@ -52,7 +52,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install uv
         uses: astral-sh/setup-uv@v6
       - name: Build
diff --git a/.github/workflows/version-bump.yml b/.github/workflows/version-bump.yml
index 8ceb983f..ade593d9 100644
--- a/.github/workflows/version-bump.yml
+++ b/.github/workflows/version-bump.yml
@@ -27,7 +27,7 @@ jobs:
           private-key: ${{ secrets.SDK_BOT_PRIVATE_KEY }}
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.generate-token.outputs.token }}