diff --git a/.github/workflows/dry-run.yml b/.github/workflows/dry-run.yml
index 2df4aff4..4df458c7 100644
--- a/.github/workflows/dry-run.yml
+++ b/.github/workflows/dry-run.yml
@@ -10,10 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
       - name: Install Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4
         with:
           node-version: "20.11.1"
 
diff --git a/.github/workflows/sync-branch.yml b/.github/workflows/sync-branch.yml
index 9918dadf..f100e71b 100644
--- a/.github/workflows/sync-branch.yml
+++ b/.github/workflows/sync-branch.yml
@@ -13,10 +13,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
         with:
           ref: main
-      - uses: connor-baer/action-sync-branch@v1.1.0
+      - uses: connor-baer/action-sync-branch@0298935825bb8194982d322e7730b783a2ed9cd2 # v1.1.0
         with:
           branch: v1
           token: ${{ secrets.GITHUB_TOKEN }}