diff --git a/.github/workflows/test-and-release.yaml b/.github/workflows/test-and-release.yaml
index 55881de6..c0fb611d 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@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - 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 1d159854..b40d47cd 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@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Sync repository description
         run: