diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index fa036bc5..d785c6cf 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -26,7 +26,7 @@ jobs:
           # - ruby_target: x86-mingw32
           # - ruby_target: x86-linux
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       # Test the container
       - uses: actions/checkout@v3
diff --git a/.github/workflows/publish-book.yml b/.github/workflows/publish-book.yml
index 31cc2042..37077d55 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@v2
+      - uses: actions/checkout@v3
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1