diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc9d3c6..64b668b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v6.0.2
     - name: Call action to use Node.js ${{ matrix.node-version }}
       id: setup-node
       uses: ./