diff --git a/.github/workflows/macos-14.yml b/.github/workflows/macos-14.yml
index 3befafe..4dbbfba 100644
--- a/.github/workflows/macos-14.yml
+++ b/.github/workflows/macos-14.yml
@@ -16,7 +16,7 @@ jobs:
   macos-14:
     runs-on: macos-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install build dependencies
         run: |
           set -eux
diff --git a/.github/workflows/macos-15.yml b/.github/workflows/macos-15.yml
index 57f44c1..033b863 100644
--- a/.github/workflows/macos-15.yml
+++ b/.github/workflows/macos-15.yml
@@ -16,7 +16,7 @@ jobs:
   macos-15:
     runs-on: macos-15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install build dependencies
         run: |
           set -eux
diff --git a/.github/workflows/ubuntu-22.04.yml b/.github/workflows/ubuntu-22.04.yml
index 68d6897..97d326b 100644
--- a/.github/workflows/ubuntu-22.04.yml
+++ b/.github/workflows/ubuntu-22.04.yml
@@ -16,7 +16,7 @@ jobs:
   ubuntu-22-04:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install build dependencies
         env:
           DEBIAN_FRONTEND: noninteractive
diff --git a/.github/workflows/ubuntu-24.04.yml b/.github/workflows/ubuntu-24.04.yml
index a5b9c29..3fd8944 100644
--- a/.github/workflows/ubuntu-24.04.yml
+++ b/.github/workflows/ubuntu-24.04.yml
@@ -16,7 +16,7 @@ jobs:
   ubuntu-24-04:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install build dependencies
         env:
           DEBIAN_FRONTEND: noninteractive