diff --git a/.github/workflows/checkers.yml b/.github/workflows/checkers.yml
index 38a04ee0..d5591a5a 100644
--- a/.github/workflows/checkers.yml
+++ b/.github/workflows/checkers.yml
@@ -12,7 +12,7 @@ jobs:
   linkcheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: JustinBeckwith/linkinator-action@v2
       with:
         linksToSkip: '^https://github.com/ ^https://www.jwz.org/ ^https://www.npmjs.com/ ^https://opensource.org/ ^https://unix.stackexchange.com/'
@@ -21,7 +21,7 @@ jobs:
   spellcheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: tbroadley/spellchecker-cli-action@v1
       with:
         dictionaries: '.github/dictionary.txt'
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 74bb37ba..dd303a36 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
         node-version: [ 20, 22, 24 ]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v6
       with:
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Use pnpm latest
       uses: pnpm/action-setup@v4
       with:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 42b7c2c8..d61691fb 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
diff --git a/.github/workflows/test-repos.yml b/.github/workflows/test-repos.yml
index 78ff1701..097bf68c 100644
--- a/.github/workflows/test-repos.yml
+++ b/.github/workflows/test-repos.yml
@@ -18,7 +18,7 @@ jobs:
         node-version: [ latest ]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v6
       with:
diff --git a/.github/workflows/update-test-repos.yml b/.github/workflows/update-test-repos.yml
index 5c5a18de..fa9d41d9 100644
--- a/.github/workflows/update-test-repos.yml
+++ b/.github/workflows/update-test-repos.yml
@@ -15,7 +15,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         ref: next
     - uses: actions/setup-node@v6