diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b1127c..0c5cc7f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         python-version: ['3.11', '3.12']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -57,7 +57,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: ci
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b3291b3..9c44caa 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -19,7 +19,7 @@ jobs:
         language: [python]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 660506f..ffcfa4f 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -13,7 +13,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Login to GHCR
         uses: docker/login-action@v3
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e7b1194..357ed53 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v5
         with: