diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index acb3c0b..a7a95ff 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -5,13 +5,13 @@ jobs:
   prek:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: j178/prek-action@v1
 
   typecheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v6
       - name: Install dependencies
         run: uv sync --group dev
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ae58dbb..3157f1f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ jobs:
       id-token: write  # required for OIDC
       contents: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1fa9428..1686cf6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0