diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da42414..9917d97 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.11"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7ecad78..30ca2fc 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -15,7 +15,7 @@ jobs:
       RAILWAY_API: https://backboard.railway.app/graphql
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set image name (lowercase)
         run: echo "IMAGE_NAME=ghcr.io/$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')/neurobank:${{ github.sha }}" >> $GITHUB_ENV
diff --git a/.github/workflows/docker-security.yml b/.github/workflows/docker-security.yml
index 0cb13ca..8bf56a3 100644
--- a/.github/workflows/docker-security.yml
+++ b/.github/workflows/docker-security.yml
@@ -13,7 +13,7 @@ jobs:
       security-events: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: aquasecurity/trivy-action@0.20.0
         with:
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 420cd77..5632967 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -8,7 +8,7 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"