diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 2801f0a..b3dd8ad 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -18,7 +18,7 @@ jobs:
     name: Make SDist
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -40,7 +40,7 @@ jobs:
         python: ["3.10", "3.12"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         name: Install Python ${{ matrix.python }}
         with:
@@ -106,7 +106,7 @@ jobs:
             arch: "ppc64le"
             use_qemu: true
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b7ba835..c40baa0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     name: Format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: actions/setup-python@v6
@@ -48,7 +48,7 @@ jobs:
             runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -96,7 +96,7 @@ jobs:
             arch: "ppc64le"
             use_qemu: true
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0