diff --git a/.github/workflows/test-and-release.yaml b/.github/workflows/test-and-release.yaml
index 55881de..be3b3e6 100644
--- a/.github/workflows/test-and-release.yaml
+++ b/.github/workflows/test-and-release.yaml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - uses: actions/setup-node@v6
         with:
           node-version: "24.x"
diff --git a/.github/workflows/update-repo-info.yaml b/.github/workflows/update-repo-info.yaml
index 1d15985..51082cc 100644
--- a/.github/workflows/update-repo-info.yaml
+++ b/.github/workflows/update-repo-info.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Sync repository description
         run: