diff --git a/.github/workflows/audit.yaml b/.github/workflows/audit.yaml
index 7057072..68faa58 100644
--- a/.github/workflows/audit.yaml
+++ b/.github/workflows/audit.yaml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.1.0
 
       - name: Install Nodejs toolchain
         run: npm ci
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8c177ad..b32b39e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,10 +19,10 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.1.0
 
       - name: Checkout repository
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.1.0
         with:
           repository: artichoke/artichoke
           # This ref is guaranteed to have C source files
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.1.0
 
       - name: Lint and check formatting with eslint
         run: npx eslint .
@@ -64,7 +64,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.1.0
 
       - name: Setup Node.js runtime
         uses: actions/setup-node@v3.8.1
diff --git a/.github/workflows/markdown-link-check.yaml b/.github/workflows/markdown-link-check.yaml
index c3de66b..fe645c5 100644
--- a/.github/workflows/markdown-link-check.yaml
+++ b/.github/workflows/markdown-link-check.yaml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3.6.0
+        uses: actions/checkout@v4.1.0
 
       - name: Check for broken links in markdown files
         uses: gaurav-nelson/github-action-markdown-link-check@d53a906aa6b22b8979d33bc86170567e619495ec # v1.0.15
diff --git a/.github/workflows/repo-labels.yaml b/.github/workflows/repo-labels.yaml
index d8178ac..0275da3 100644
--- a/.github/workflows/repo-labels.yaml
+++ b/.github/workflows/repo-labels.yaml
@@ -20,10 +20,10 @@ jobs:
     name: Synchronize repository labels
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.6.0
+      - uses: actions/checkout@v4.1.0
 
       - name: Sync GitHub Issue Labels
-        uses: crazy-max/ghaction-github-labeler@f4f6b96e7e747b5416cd470f3cfecf26abaa811e # v4.2.0
+        uses: crazy-max/ghaction-github-labeler@de749cf181958193cb7debf1a9c5bb28922f3e1b # v5.0.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           yaml-file: .github/labels.yaml