diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 55c199f..e579d69 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,13 +11,13 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
       - uses: raven-actions/actionlint@v2
 
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
       - uses: actions/setup-node@v6
         with:
           node-version-file: .node-version