diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c25bf4c..ebd315a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,7 +43,7 @@ jobs:
       NAGARA_REDIS_URL: redis://127.0.0.1:6379/0
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: install uv
         uses: astral-sh/setup-uv@v5
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 1dc4e8f..d4c01a3 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -18,7 +18,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: set up qemu
         uses: docker/setup-qemu-action@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 56d74e1..4b3277c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -39,7 +39,7 @@ jobs:
       NAGARA_POSTGRES_DB: nagara
       NAGARA_REDIS_URL: redis://127.0.0.1:6379/0
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v5
         with:
           enable-cache: true
@@ -60,7 +60,7 @@ jobs:
       name: pypi
       url: https://pypi.org/p/nagara
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/uv-upgrade.yml b/.github/workflows/uv-upgrade.yml
index 50fe9d0..2daf80b 100644
--- a/.github/workflows/uv-upgrade.yml
+++ b/.github/workflows/uv-upgrade.yml
@@ -13,7 +13,7 @@ jobs:
   upgrade:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: install uv
         uses: astral-sh/setup-uv@v5