diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 75fa574..46925d5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up uv
       uses: astral-sh/setup-uv@v7
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 31bfc6e..75d6f38 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up uv
         uses: astral-sh/setup-uv@v7
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8aa1feb..ae917dc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,7 +34,7 @@
           id-token: write
 
         steps:
-          - uses: actions/checkout@v5
+          - uses: actions/checkout@v6
             with:
               fetch-depth: 0
               persist-credentials: false
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3b0c290..d616f0e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up uv
       uses: astral-sh/setup-uv@v7
       with:
diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index 3f924cb..32f9a8a 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up uv
       uses: astral-sh/setup-uv@v7
diff --git a/.github/workflows/variants.yml b/.github/workflows/variants.yml
index cd04e6f..ae6e36c 100644
--- a/.github/workflows/variants.yml
+++ b/.github/workflows/variants.yml
@@ -20,7 +20,7 @@ jobs:
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
@@ -86,7 +86,7 @@ jobs:
         apt-get update
         apt-get install -y make curl ca-certificates git
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Install UV globally
       run: |