diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 498c575e..21242d61 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,7 +51,7 @@ jobs:
               rust_toolchain: stable-x86_64-pc-windows-msvc
     runs-on: ${{ matrix.sys.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup debug info
         shell: bash
@@ -142,7 +142,7 @@ jobs:
             rust_toolchain: stable
     runs-on: ${{ matrix.sys.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: oxidize-rb/actions/setup-ruby-and-rust@v1
         with:
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 0b23007f..8b866dbd 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -35,7 +35,7 @@ jobs:
           # - ruby_target: x86-mingw32
           # - ruby_target: x86-linux
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set rb-sys version variable
         id: vars
@@ -44,7 +44,7 @@ jobs:
           echo "rb-sys-version=$version" >> $GITHUB_OUTPUT
 
       # Test the container
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "oxidize-rb/oxi-test"
           path: "tmp/oxi-test"
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 1f5a7e08..f407a4e3 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,7 +16,7 @@ jobs:
     name: 📑 Validate Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index f7f3f841..e7010305 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -57,12 +57,12 @@ jobs:
           INPUTS: ${{ toJSON(matrix) }}
         run: |
           echo "$INPUTS" | jq
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: ${{ matrix.repo.name }}
           ref: ${{ matrix.repo.ref }}
           path: repo
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: rb-sys
       - uses: oxidize-rb/actions/setup-ruby-and-rust@v1
diff --git a/.github/workflows/publish-book.yml b/.github/workflows/publish-book.yml
index 37077d55..144d372e 100644
--- a/.github/workflows/publish-book.yml
+++ b/.github/workflows/publish-book.yml
@@ -15,7 +15,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1