diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 1dbf3b8..b93620b 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4.1.1
+      uses: actions/checkout@v5
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 811a71d..13545e7 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -18,7 +18,7 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v5
       - uses: gaurav-nelson/github-action-markdown-link-check@1.0.15
         with:
           check-modified-files-only: 'yes'
@@ -30,7 +30,7 @@ jobs:
   markdown-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v5
       - uses: avto-dev/markdown-lint@v1.5.0
         with:
           config: '.markdownlint.yml'
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index bcc5be4..463e946 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: 1.23
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index adcf174..c299f05 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
       -
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 6537cb1..22646d7 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code.
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v5
       - name: misspell
         uses: reviewdog/action-misspell@v1
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7faf457..08499bd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v5
 
       - name: Cache go modules
         uses: actions/cache@v4.2.4