diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5c34bd083..102fd52dd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
         ruby-version: [3.2.0]
         node-version: [18]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Set up Ruby ${{ matrix.ruby-version }}
       # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,