diff --git a/.github/workflows/linux-ruby-head.yml b/.github/workflows/linux-ruby-head.yml
index 1fe373d..5fa7717 100644
--- a/.github/workflows/linux-ruby-head.yml
+++ b/.github/workflows/linux-ruby-head.yml
@@ -30,7 +30,7 @@ jobs:
           --health-retries 5
     name: Ruby ${{ matrix.ruby }} with PostgreSQL ${{ matrix.postgres }} unit testing on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 3a91d6e..d7cf307 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -31,7 +31,7 @@ jobs:
           --health-retries 5
     name: Ruby ${{ matrix.ruby }} with PostgreSQL ${{ matrix.postgres }} unit testing on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}