diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index 47cda76..fd55f72 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -17,7 +17,7 @@ jobs:
       image: swift:${{ matrix.swift }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       - name: Restore APT cache
         uses: actions/cache@v3
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index a364b91..f4bf9c1 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -15,7 +15,7 @@ jobs:
         xcode: ["14.2"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       - name: Restore cached Homebrew dependencies
         uses: actions/cache@v3.3.1
diff --git a/.github/workflows/markdown-link-check.yml b/.github/workflows/markdown-link-check.yml
index d9c24f6..d416dfa 100644
--- a/.github/workflows/markdown-link-check.yml
+++ b/.github/workflows/markdown-link-check.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3.5.3
+      uses: actions/checkout@v4.1.0
 
     - name: markdown-link-check
       uses: gaurav-nelson/github-action-markdown-link-check@1.0.15